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
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15124545-n:
last 2 million years
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Hyponyms
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15125097-n:
from 63 million to 2 million years ago
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Hyponyms
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15126361-n:
from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
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Hyponyms
(has_hyponym)
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15126595-n:
from 190 million to 135 million years ago; dinosaurs; conifers
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Hyponyms
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15126750-n:
from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity
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Hyponyms
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15127165-n:
from 280 million to 230 million years ago; reptiles
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Hyponyms
(has_hyponym)
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15127307-n:
from 345 million to 280 million years ago
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Hyponyms
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15127507-n:
from 310 million to 280 million years ago; warm climate; swampy land
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Hyponyms
(has_hyponym)
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15127729-n:
from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects
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Hyponyms
(has_hyponym)
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15127982-n:
from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites
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Hyponyms
(has_hyponym)
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15128200-n:
from 425 million to 405 million years ago; first air-breathing animals
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Hyponyms
(has_hyponym)
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15128363-n:
from 500 million to 425 million years ago; conodonts and ostracods and algae and seaweeds
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Hyponyms
(has_hyponym)
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15128549-n:
from 544 million to about 500 million years ago; marine invertebrates
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Hyponyms
(has_hyponym)
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15255195-n:
any period of time during which glaciers covered a large part of the earth's surface
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Hyponyms
(has_hyponym)
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80000247-n:
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Holonyms
(has_holo_part)
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15248020-n:
a major division of geological time; an era is usually divided into two or more periods
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Meronyms
(has_mero_part)
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15248269-n:
a unit of geological time that is a subdivision of a period and is itself divided into ages
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Glosses
(gloss)
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02623906-v:
develop into a distinctive entity
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Glosses
(gloss)
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14696793-n:
material consisting of the aggregate of minerals like those making up the Earth's crust
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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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