13th
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
14th
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading On the 14th they began to find their latitude.
2
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
6th
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
accurateadjectiveUS /ˈækjərət/
conforming exactly or almost exactly to fact or to a standard or performing with total accuracy
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
prior to a specified or implied time
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
altitudenounUS /ˈæltətuːd/
elevation especially above sea level or above the earth's surface
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
used to join words or parts of a sentence that go together
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
the month following March and preceding May
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
arcnounUS /ɑːrk/
electrical conduction through a gas in an applied electric field
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
in or near a particular place or position
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
atmosphericadjectiveUS /ˌætməˈsferɪk/
relating to or located in the atmosphere
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
installation from which a military force initiates operations
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
inflected form of “begin” — take the first step or steps in carrying out an action
From this reading On the 14th they began to find their latitude.
take the first step or steps in carrying out an action
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
beingauxiliary verbUS /ˈbiːɪŋ/
the -ing form of “be”
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
showing who or what does the action
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
past form of “cause” — give rise to; cause to happen or occur, not always intentionally
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
changesnounUS /ˈtʃeɪndʒəz/
plural of “change” — an event that occurs when something passes from one state or phase to another
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
chiefsnounUS /tʃiːfs/
plural of “chief” — a person who is in charge
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
the time during which someone's life continues
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
recognizable; marked
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
degreesnounUS /dɪˈɡriːz/
plural of “degree” — a position on a scale of intensity or amount or quality
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
the quality of being unlike or dissimilar
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
having finished or arrived at completion
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
EmerynounUS /ˈeməri/
a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
errornounUS /ˈerər/
a wrong action attributable to bad judgment or ignorance or inattention
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
divisible by two
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
extremitynounUS /ekˈstreməti/
an external body part that projects from the body
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
come upon, as if by accident; meet with
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
firstadjectiveUS /fɜːrst/
preceding all others in time or space or degree
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
showing where something starts, or who sent it
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
cause to have, in the abstract sense or physical sense
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
highest in quality
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
hadauxiliary verbUS /hæd/
the past form of “have”, used to form the past perfect
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
inside something, or within a place, period, or state
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
latitudenounUS /ˈlætətuːd/
the angular distance between an imaginary line around a heavenly body parallel to its equator and the equator itself
From this reading On the 14th they began to find their latitude.
something that is lost
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
march in a procession
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
measuredadjectiveUS /ˈmeʒərd/
having notes of fixed rhythmic value
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
measurementnounUS /ˈmeʒərmənt/
the act or process of assigning numbers to phenomena according to a rule
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
MERIDIANnounUS /mərˈɪdiən/
the highest level or degree attainable; the highest stage of development
From this reading THE TWENTY-FOURTH MERIDIAN.
(comparative of “much” used with mass nouns) a quantifier meaning greater in size or amount or extent or degree
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
Periods of darkness between sunset and sunrise.
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
in or characteristic of a region of the United States north of (approximately) the Mason-Dixon line
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
used to make a word, phrase, or sentence negative
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
the property possessed by a sum or total or indefinite quantity of units or individuals
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
amounting to a large indefinite number
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
held or filled or in use
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
belonging to, or connected with, somebody or something
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
touching and supported by a surface
From this reading On the 14th they began to find their latitude.
operationnounUS /ˌɑːpərˈeɪʃən/
the state of being in effect or being operative
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
owingadjectiveUS /ˈoʊɪŋ/
owed as a debt
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
precedingadjectiveUS /priˈsiːdɪŋ/
existing or coming before
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
with considerable certainty; without much doubt
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
refractionnoun
the change in direction of a propagating wave (light or sound) when passing from one medium to another
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
Identical; not different.
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
for that reason; with the result that
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
in or characteristic of a region of the United States south of (approximately) the Mason-Dixon line
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
plural of “star” — (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
stratanounUS /ˈstrætə/
plural of “stratum” — one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
takenadjectiveUS /ˈteɪkən/
understood in a certain way; made sense of
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
used to introduce the second part of a comparison
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
used to introduce what somebody said, thought, or felt
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading THE TWENTY-FOURTH MERIDIAN.
belonging to the people or things already mentioned
From this reading On the 14th they began to find their latitude.
the people, animals, or things already mentioned, as the subject
From this reading On the 14th they began to find their latitude.
thirty-eightadjective
being eight more than thirty
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
used for a person or thing that is near, or that has just been mentioned
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
an instance or single occasion for some event
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
used before the base form of a verb to make the infinitive
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
trianglesnounUS /ˈtraɪæŋɡəlz/
plural of “triangle” — a three-sided polygon
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
TWENTY-FOURTHadjective
coming next after the twenty-third in position
From this reading THE TWENTY-FOURTH MERIDIAN.
wasauxiliary verbUS /wɑːz/
the past form of “be” used with I, he, she, it, or a singular noun
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
not having, not using, or not accompanied by
From this reading The measurement of the base occupied thirty-eight days, from the 6th of March to the 13th of April, and without loss of time the chiefs decided to begin the triangles.
exert oneself by doing mental or physical work for a purpose or out of necessity
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.
used for something imagined, polite, or habitual in the past
From this reading The first operation was to find the southern extremity of the arc, and the same being done at the northern extremity, the difference would give the number of degrees measured.
Zorn
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Emery and Zorn had already on the preceding nights taken the altitude of numerous stars, and their work was so accurate that the greatest error was not more than 2", and even this was probably owing to the refraction caused by the changes in the atmospheric strata.