Hyperonyms
(has_hyperonym)
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15243730-n:
the longest division of geological time
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Meronyms
(has_mero_part)
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15128997-n:
from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms
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Meronyms
(has_mero_part)
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15129220-n:
the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
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Glosses
(gloss)
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00074095-r:
in the past
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Glosses
(gloss)
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02712443-v:
be earlier in time; go back further
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Glosses
(gloss)
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15124183-n:
the period from about 5,400 million years ago until the present
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Glosses
(gloss)
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15129572-n:
the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life
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Glosses
(gloss)
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15243730-n:
the longest division of geological time
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Glosses
(rgloss)
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00814073-a:
of or relating to the earliest known rocks formed during the Precambrian Eon
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Glosses
(rgloss)
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00814251-a:
of or belonging to earlier of two divisions of the Precambrian era
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Glosses
(rgloss)
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00815406-a:
formed in the later of two divisions of the Precambrian era
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Glosses
(rgloss)
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09259500-n:
the part of a continent that is stable and forms the central mass of the continent; typically Precambrian
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