used before a singular noun to mean one of a group, when it is not a particular one
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
accuratelyadverbUS /ˈækjərətli/
with few mistakes
From this reading He gives the time, which must also be recorded accurately.
in addition
From this reading Notice also the other astronomer who is looking at the clock.
used to join words or parts of a sentence that go together
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
areauxiliary verbUS /ɑːr/
the form of “be” used with you, we, they, or a plural noun
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
ascertainedadjectiveUS /ˌæsərˈteɪnd/
discovered or determined by scientific observation
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
astronomernounUS /əˈstrɑːnəmər/
a physicist who studies astronomy
From this reading Notice also the other astronomer who is looking at the clock.
in or near a particular place or position
From this reading Notice also the other astronomer who is looking at the clock.
used with a past participle to form the passive, or with -ing for continuous tenses
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
beenauxiliary verbUS /bɪn/
the past participle of “be”
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
showing who or what does the action
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
plural of “call” — a telephone connection
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
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 On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
a timepiece that shows the time of day
From this reading Notice also the other astronomer who is looking at the clock.
being or moving lower in position or less in some value
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
engravedadjectiveUS /ɪnˈɡreɪvd/
cut or impressed into a surface
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
set up or found
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
plural of “give” — the elasticity of something that can be stretched and returns to its original length
From this reading He gives the time, which must also be recorded accurately.
hasauxiliary verbUS /hæz/
the form of “have” used with he, she, it, or a singular noun
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
haveauxiliary verbUS /hæv/
used with a past participle to form the perfect tenses
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
a man, boy, or male animal already mentioned, as the subject
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
greater than normal in degree or intensity or amount
From this reading If the object is high, then the pointer will be low; and if the object is low, then the pointer will be high.
on condition that; in the event that
From this reading If the object is high, then the pointer will be low; and if the object is low, then the pointer will be high.
the form of “be” used with he, she, it, or a singular noun
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
a thing, animal, or idea already mentioned
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
the act of directing the eyes toward something and perceiving it visually
From this reading Notice also the other astronomer who is looking at the clock.
less than normal in degree or intensity or amount
From this reading If the object is high, then the pointer will be low; and if the object is low, then the pointer will be high.
an adult person who is male (as opposed to a woman)
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
English businessman who created a retail chain (1888-1964)
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
materialsnounUS /məˈtɪriəlz/
plural of “material” — the tangible substance that goes into the makeup of a physical object
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
used to say something is necessary, or almost certainly true
From this reading He gives the time, which must also be recorded accurately.
an announcement containing information about an event
From this reading Notice also the other astronomer who is looking at the clock.
the property possessed by a sum or total or indefinite quantity of units or individuals
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
the fourth book of the Old Testament; contains a record of the number of Israelites who followed Moses out of Egypt
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
a tangible and visible entity; an entity that can cast a shadow
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
the act of making and recording a measurement
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
observernounUS /əbˈzɜːrvər/
a person who becomes aware (of things or events) through the senses
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
belonging to, or connected with, somebody or something
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
touching and supported by a surface
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
being directly across from each other; facing
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
not the same one or ones already mentioned or implied
From this reading Notice also the other astronomer who is looking at the clock.
not allowed to continue to bat or run
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
situated in a particular spot or position
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
pointernounUS /ˈpɔɪntər/
a mark to indicate a direction or relation
From this reading If the object is high, then the pointer will be low; and if the object is low, then the pointer will be high.
the particular portion of space occupied by something
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
completely prepared or in condition for immediate action or use or progress
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
recordedadjectiveUS /rəˈkɔːrdɪd/
set down or registered in a permanent form especially on film or tape for reproduction
From this reading He gives the time, which must also be recorded accurately.
perceive by sight or have the power to perceive by sight
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
carry out
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
used to introduce what somebody said, thought, or felt
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
subsequently or soon afterward (often used as sentence connectors)
From this reading If the object is high, then the pointer will be low; and if the object is low, then the pointer will be high.
in or at that place or location
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
the plural of “this”: the people or things near, or just mentioned
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
an instance or single occasion for some event
From this reading He gives the time, which must also be recorded accurately.
used before the base form of a verb to make the infinitive
From this reading On the circle a number of marks have been engraved, and there are numbers placed opposite to the marks; it is by these that the position of the object is to be ascertained.
at the time that
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
used to introduce a clause giving more about a thing just mentioned
From this reading He gives the time, which must also be recorded accurately.
which person or people
From this reading Notice also the other astronomer who is looking at the clock.
used to talk about the future, or about willingness
From this reading If the object is high, then the pointer will be low; and if the object is low, then the pointer will be high.
in the company of; together with
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
the act of creating written works
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.
the person or people being spoken to
From this reading The observer calls out the position when he has found it, and there, you see, is a man ready with writing materials to take down the observation.