Hyperonyms
(has_hyperonym)
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15116283-n:
the time of the physical formation and development of the earth (especially prior to human history)
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Hyponyms
(has_hyponym)
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15124713-n:
approximately the last 10,000 years
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Hyponyms
(has_hyponym)
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15124864-n:
from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution
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Hyponyms
(has_hyponym)
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15125323-n:
from 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals
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Hyponyms
(has_hyponym)
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15125519-n:
from 25 million to 13 million years ago; appearance of grazing mammals
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Hyponyms
(has_hyponym)
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15125679-n:
from 40 million to 25 million years ago; appearance of sabertoothed cats
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Hyponyms
(has_hyponym)
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15125845-n:
from 58 million to 40 million years ago; presence of modern mammals
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Hyponyms
(has_hyponym)
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15126000-n:
from 63 million to 58 million years ago; appearance of birds and earliest mammals
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Holonyms
(has_holo_part)
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15247518-n:
a unit of geological time during which a system of rocks formed
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Glosses
(gloss)
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15116283-n:
the time of the physical formation and development of the earth (especially prior to human history)
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Glosses
(rgloss)
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06145446-n:
the study of the geography of ancient times or ancient epochs
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