Every word is available to listen to. Dictionary details are shown only when verified; these are not licensed Oxford entries.
adeterminerUS /ə/
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.
accustomed
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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.
all
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
andconjunctionUS /ənd/
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.
apiece
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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!
asconjunctionUS /æz/
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.
Audubon
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From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
back
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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.
beauxiliary verbUS /biː/
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.
beforeprepositionUS /bɪˈfɔːr/
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.
beneathprepositionUS /bɪˈniːθ/
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.
birds
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
butconjunctionUS /bʌt/
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.
call
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From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
Cave
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
costing
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From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
day
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
dollars
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
earth
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
enormous
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
explored
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
famous
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
fifty
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
floor
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
forprepositionUS /fɔːr/
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.
fully
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
Gallery
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From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
get
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
going
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
guide
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
hisdeterminerUS /hɪz/
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.
hundred
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
IpronounUS /aɪ/
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.
ifconjunctionUS /ɪf/
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.
inprepositionUS /ɪn/
inside something, or within a place, period, or state
From this reading Now we are in the Mammoth Cave of Kentucky!
interior
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
isauxiliary verbUS /ɪz/
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.
itpronounUS /ɪt/
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.
Kentucky
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From this reading Now we are in the Mammoth Cave of Kentucky!
legs
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
level
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
lifenounUS /life/
an important story-specific word used in this passage
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
made
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
Mammoth
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Now we are in the Mammoth Cave of Kentucky!
many
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
miles
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
much
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
naturalist
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
nevernounUS /never/
an important story-specific word used in this passage
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.
notadverbUS /nɑːt/
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.
Now
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Now we are in the Mammoth Cave of Kentucky!
ofprepositionUS /ʌv/
belonging to, or connected with, somebody or something
From this reading Now we are in the Mammoth Cave of Kentucky!
onprepositionUS /ɑːn/
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.
onepronounUS /wʌn/
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.
ourdeterminerUS /ˈaʊər/
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.
place
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
published
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
runs
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
shallmodal verbUS /ʃæl/
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.
show
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
smooth
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
soconjunctionUS /soʊ/
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.
standingnounUS /ˈstanding/
a story-specific word describing an important person, object, action, or idea in this passage
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.
stretches
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
study
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading This place they call the "Audubon Gallery"--after our famous naturalist who made birds the study of his life.
surface
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
surprisednounUS /surprised/
an important story-specific word used in this passage
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.
takenounUS /take/
an important story-specific word used in this passage
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.
thedeterminerUS /ðə/
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!
theypronounUS /ðeɪ/
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.
ThisdeterminerUS /ðɪs/
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.
thousand
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
tired
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
toparticleUS /tuː/
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.
trip
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
uspronounUS /ʌs/
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.
vast
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
very
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
visitors
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
volumes
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
wepronounUS /wiː/
the speaker together with one or more other people
From this reading Now we are in the Mammoth Cave of Kentucky!
whichpronounUS /wɪtʃ/
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.
whopronounUS /huː/
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.
willmodal verbUS /wɪl/
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.
works
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading His works are published in enormous volumes, costing about one hundred and fifty dollars apiece.
yards
Dictionary entry pending editorial verification. Tap Listen to hear the word.
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.
