Chapter XII · Chapter 12

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

used before a singular noun to mean one of a group, when it is not a particular one

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

having companions or an escort

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

(quantifier) used with either mass or count nouns to indicate the whole number or amount of or every one of a class

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

the form of “a” used before a word that begins with a vowel sound

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

used to join words or parts of a sentence that go together

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

one more of the same kind, or a different one

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

one or some or every or all without specification

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

plural of “arc” — electrical conduction through a gas in an applied electric field

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

the form of “be” used with you, we, they, or a plural noun

From this reading This fact strongly supports the idea that they are not natural but artificial formations.

a city in southern Peru founded in 1540 on the site of an ancient Inca city

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

contrived by art rather than nature

From this reading This fact strongly supports the idea that they are not natural but artificial formations.

at the same time that; because; in the way that

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

used with a past participle to form the passive, or with -ing for continuous tenses

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

the -ing form of “be”

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

of a bluish shade of green

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

the act of breaking something

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

used to introduce something that contrasts with what came before

From this reading This fact strongly supports the idea that they are not natural but artificial formations.

(astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

taking care or paying attention

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

an occurrence of something

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

plural of “circle” — ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

the prevailing context that influences the performance or the outcome of a process

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

connect, fasten, or put together two or more pieces

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

without stop or interruption

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

continuing in time or space without interruption

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

a contentious speech act; a dispute where there is strong disagreement

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

the past of “can”; used for possibility or polite requests

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

absence of light or illumination

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

precise; explicit and clearly defined

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

plural of “discovery” — the act of discovering something

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

being or moving lower in position or less in some value

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

an adequate quantity; a quantity that is large enough to achieve a purpose

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

all the members of a group, with none left out

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

a military campaign designed to achieve a specific objective in a foreign country

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

relatively long in duration; tediously protracted

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

a piece of information about circumstances that exist or events that have occurred

From this reading This fact strongly supports the idea that they are not natural but artificial formations.

encouraging or approving or pleasing

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

intended to be given to, or used by, somebody

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

plural of “formation” — an arrangement of people or things acting as a unit

From this reading This fact strongly supports the idea that they are not natural but artificial formations.

having unexpected good fortune

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

set up or found

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

showing where something starts, or who sent it

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

the 3rd planet from the sun; the planet we live on

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

relatively large in size or number or extent; larger than others of its kind

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

a university in Massachusetts

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

used with a past participle to form the perfect tenses

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

the content of cognition; the main thing you are thinking about

From this reading This fact strongly supports the idea that they are not natural but artificial formations.

of great significance or value

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

inside something, or within a place, period, or state

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

the form of “be” used with he, she, it, or a singular noun

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

a thing, animal, or idea already mentioned

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

happening at a time subsequent to a reference time

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

a substance used to ignite or kindle a fire

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

a formation of people or things one beside another

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

plural of “line” — a formation of people or things one beside another

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

primarily temporal sense; being or indicating a relatively great or greater than average duration or passage of time or a duration as specified

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye; minerals rich in iron cover its surface and are responsible for its characteristic color

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

imaginary people who live on the planet Mars

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

in addition to what has just been said

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

in accordance with nature; relating to or concerning nature

From this reading This fact strongly supports the idea that they are not natural but artificial formations.

(of actions or states) slightly short of or not quite accomplished; all but

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

used to make a word, phrase, or sentence negative

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

the act of making and recording a measurement

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

plural of “observation” — the act of making and recording a measurement

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

a building designed and equipped to observe astronomical phenomena

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

discover or determine the existence, presence, or fact of

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

quick to notice; showing quick and keen perception

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

belonging to, or connected with, somebody or something

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

from a particular thing or place or position (“forth” is obsolete)

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

touching and supported by a surface

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

used to mean any person in general, including the speaker

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

and nothing more

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

To move from a closed position.

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

used to join alternatives or possibilities

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

above and across; more than

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

the local environment

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

a republic in western South America; achieved independence from Spain in 1821; was the heart of the Inca empire from the 12th to 16th centuries

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

(astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

inflected form of “plot” — plan secretly, usually something illegal

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

a geometric element that has position but no extension

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

plural of “point” — a geometric element that has position but no extension

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

a long (usually round) rod of wood or metal or plastic

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

plural of “portion” — something determined in relation to something that includes it

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

capable of happening or existing

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

someone who is a member of the faculty at a college or university

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

established beyond doubt

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

an anticipated outcome that is intended or that guides your planned actions

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

red color or pigment; the chromatic color resembling the hue of blood

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

a phenomenon that follows and is caused by some previous phenomenon

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

past form of “result” — issue or terminate (in a specified way, state, etc.); end

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

inflected form of “see” — perceive by sight or have the power to perceive by sight

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

100 senti equal 1 kroon in Estonia

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

superlative of “short” — primarily temporal sense; indicating or being or seeming to be limited in duration

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

the unlimited expanse in which everything is located

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

a particular environment or walk of life

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

successive (without a break)

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

with strength or in a strong manner

From this reading This fact strongly supports the idea that they are not natural but artificial formations.

plural of “support” — the activity of providing for or maintaining by supplying with money or necessities

From this reading This fact strongly supports the idea that they are not natural but artificial formations.

characterized by order and planning

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

tested and proved useful or correct

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

used to introduce what somebody said, thought, or felt

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

the people or things already mentioned, as the object

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

for that reason; as a result

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

the people, animals, or things already mentioned, as the subject

From this reading This fact strongly supports the idea that they are not natural but artificial formations.

used for a person or thing that is near, or that has just been mentioned

From this reading This fact strongly supports the idea that they are not natural but artificial formations.

an instance or single occasion for some event

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

used before the base form of a verb to make the infinitive

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

in contact with each other or in proximity

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

the cardinal number that is the sum of one and one or a numeral representing this number

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

below or beneath something; less than

From this reading For a long time the lines were only seen on the red, or lighter, parts of the planet, but in 1892 an expedition was sent from Harvard Observatory to Arequipa, in Peru, for the purpose of observing the planet under very favourable conditions, and this resulted in important discoveries.

always the same; showing a single form or character in all occurrences

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

precisely as stated

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

capable of being seen; or open to easy view

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

the past form of “be” used with I, he, she, it, or a singular noun

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

inflected form of “go” — change location; move, travel, or proceed, also metaphorically

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

the past form of “be” used with you, we, they, or a plural noun

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

used to introduce a clause giving more about a thing just mentioned

From this reading Moreover, on being tested, nearly all were found to be arcs of great circles, and therefore the shortest possible lines which could connect any two points on a sphere.

which person or people

From this reading Professor W.H. Pickering, who accompanied the expedition, was fortunate enough to observe that the canal lines extended over the dark or blue-green portions of the disc; and later observations have proved that this is the case all over the planet, and the lines are visible from pole to pole.

the extent of something from side to side

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.

in the company of; together with

From this reading THE GREAT MARTIAN CONTROVERSY (_continued_) "As the result of very long continued and systematic observation of the lines on Mars, together with carefully plotting them down on a globe, it was found that every line was continuous, uniform in width, and went straight from one definite point to another, not one breaking off in open space.