used before a singular noun to mean one of a group, when it is not a particular one
From this reading The floor on which we are now standing is smooth and level, and runs back into the interior of the cave fully a thousand yards.
aboutprepositionUS /əˈbaʊt/
on the subject of; concerning
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
commonly used or practiced; usual
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
afterprepositionUS /ˈæftər/
later than; following
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
(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 This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
used to join words or parts of a sentence that go together
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
apieceadverbUS /əˈpiːs/
to or from every one of two or more (considered individually)
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
areauxiliary verbUS /ɑːr/
the form of “be” used with you, we, they, or a plural noun
From this reading Now we are in the Mammoth Cave of Kentucky!
at the same time that; because; in the way that
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
AudubonnounUS /ˈɔːdəbɑːn/
United States ornithologist and artist (born in Haiti) noted for his paintings of birds of America (1785-1851)
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
in or to or toward a former location
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
used with a past participle to form the passive, or with -ing for continuous tenses
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
beenauxiliary verbUS /bɪn/
the past participle of “be”
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
earlier than; in front of
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
Directly under; in or to a lower position than.
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
plural of “bird” — warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
used to introduce something that contrasts with what came before
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
assign a specified (usually proper) proper name to
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea
From this reading Now we are in the Mammoth Cave of Kentucky!
cavernnounUS /ˈkæv.ərn/
A large, vast underground cave, often filled with forgotten ancient treasures.
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
costingnounUS /ˈkɔːstɪŋ/
cost accounting
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
time for Earth to make a complete rotation on its axis
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
plural of “dollar” — the basic monetary unit in many countries; equal to 100 cents
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
the 3rd planet from the sun; the planet we live on
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
extraordinarily large in size or extent or amount or power or degree
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
exploredverbUS /ɪkˈsplɔːrd/
past form of “explore” — inquire into
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
widely known and esteemed
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
the cardinal number that is the product of ten and five
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
the inside lower horizontal surface (as of a room, hallway, tent, or other structure)
From this reading The floor on which we are now standing is smooth and level, and runs back into the interior of the cave fully a thousand yards.
intended to be given to, or used by, somebody
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
to the greatest degree or extent; completely or entirely; (“full” in this sense is used as a combining form)
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
GallerynounUS /ˈɡæləri/
spectators at a golf or tennis match
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
come into the possession of something concrete or abstract
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
the act of departing
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
someone employed to conduct others
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
hasauxiliary verbUS /hæz/
the form of “have” used with he, she, it, or a singular noun
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
belonging to a man, boy, or male animal already mentioned
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
ten 10s
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
the person speaking or writing, as the subject of the verb
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
on condition that; in the event that
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
inside something, or within a place, period, or state
From this reading Now we are in the Mammoth Cave of Kentucky!
interioradjectiveUS /ˌɪnˈtɪriər/
situated within or suitable for inside a building
From this reading The floor on which we are now standing is smooth and level, and runs back into the interior of the cave fully a thousand yards.
intoprepositionUS /ˈɪntuː/
moving to the inside of something
From this reading The floor on which we are now standing is smooth and level, and runs back into the interior of the cave fully a thousand yards.
the form of “be” used with he, she, it, or a singular noun
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
a thing, animal, or idea already mentioned
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
KentuckynounUS /kənˈtʌki/
a state in east central United States; a border state during the American Civil War; famous for breeding race horses
From this reading Now we are in the Mammoth Cave of Kentucky!
staying power
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
a position on a scale of intensity or amount or quality
From this reading The floor on which we are now standing is smooth and level, and runs back into the interior of the cave fully a thousand yards.
a characteristic state or mode of living
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
produced by a manufacturing process
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
MammothadjectiveUS /ˈmæməθ/
so exceedingly large or extensive as to suggest a giant or mammoth
From this reading Now we are in the Mammoth Cave of Kentucky!
a quantifier that can be used with count nouns and is often preceded by “as” or “too” or “so” or “that”; amounting to a large but indefinite number
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
plural of “mile” — a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
to a great degree or extent
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
naturalistnounUS /ˈnætʃərələst/
an advocate of the doctrine that the world can be understood in scientific terms
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
not ever; at no time in the past or future
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
used to make a word, phrase, or sentence negative
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
in the historical present; at this point in the narration of a series of past events
From this reading Now we are in the Mammoth Cave of Kentucky!
belonging to, or connected with, somebody or something
From this reading Now we are in the Mammoth Cave of Kentucky!
touching and supported by a surface
From this reading The floor on which we are now standing is smooth and level, and runs back into the interior of the cave fully a thousand yards.
used to mean any person in general, including the speaker
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
belonging to the speaker and others
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
overprepositionUS /ˈoʊvər/
above and across; more than
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
a point located with respect to surface features of some region
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
prepared and printed for distribution and sale
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
runsnounUS /rʌnz/
plural of “run” — a score in baseball made by a runner touching all four bases safely
From this reading The floor on which we are now standing is smooth and level, and runs back into the interior of the cave fully a thousand yards.
used with I and we for the future, or to offer and suggest
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
give an exhibition of to an interested audience
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
having a surface free from roughness or bumps or ridges or irregularities
From this reading The floor on which we are now standing is smooth and level, and runs back into the interior of the cave fully a thousand yards.
for that reason; with the result that
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
having a supporting base
From this reading The floor on which we are now standing is smooth and level, and runs back into the interior of the cave fully a thousand yards.
stretchesnounUS /ˈstretʃəz/
plural of “stretch” — a large and unbroken expanse or distance
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
a detailed critical inspection
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
the outer boundary of an artifact or a material layer constituting or resembling such a boundary
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
taken unawares or suddenly and feeling wonder or astonishment
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
carry out
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading Now we are in the Mammoth Cave of Kentucky!
the people, animals, or things already mentioned, as the subject
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
used for a person or thing that is near, or that has just been mentioned
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
the cardinal number that is the product of 10 and 100
From this reading The floor on which we are now standing is smooth and level, and runs back into the interior of the cave fully a thousand yards.
tiredadjectiveUS /ˈtaɪərd/
depleted of strength or energy
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
used before the base form of a verb to make the infinitive
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
a journey for some purpose (usually including the return)
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
the speaker and others, as the object of a verb or preposition
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
unusually great in size or amount or degree or especially extent or scope
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
precisely as stated
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
plural of “visitor” — someone who visits
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
volumesnounUS /ˈvɑːljuːmz/
plural of “volume” — the amount of 3-dimensional space occupied by an object
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
the speaker together with one or more other people
From this reading Now we are in the Mammoth Cave of Kentucky!
used to introduce a clause giving more about a thing just mentioned
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
which person or people
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
used to talk about the future, or about willingness
From this reading This vast cavern, which stretches so many miles beneath the surface of the earth, has never been fully explored; but we are going over as much of it as our guide is accustomed to show to visitors, and if our legs are not tired before we get back I shall be very much surprised, for the trip will take us all day.
buildings for carrying on industrial labor
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
plural of “yard” — a unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride
From this reading The floor on which we are now standing is smooth and level, and runs back into the interior of the cave fully a thousand yards.