Glosses
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00033308-r:
only a moment ago
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Glosses
(rgloss)
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00507819-r:
in the recent past; only a short time ago
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Glosses
(rgloss)
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02476219-n:
any of several extinct humanlike bipedal primates with relatively small brains of the genus Australopithecus; from 1 to 4 million years ago
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Glosses
(rgloss)
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02476567-n:
fossils found in Ethiopia; from 3.5 to 4 million years ago
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Glosses
(rgloss)
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02476870-n:
gracile hominid of southern Africa; from about 3 million years ago
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Glosses
(rgloss)
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02477028-n:
large-toothed hominid of eastern Africa; from 1 to 2 million years ago
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Glosses
(rgloss)
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02477329-n:
large-toothed hominid of southern Africa; from 1.5 to 2 million years ago; formerly Paranthropus
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Glosses
(rgloss)
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02479332-n:
extinct primate of about 38 million years ago; fossils found in Egypt
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Glosses
(rgloss)
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02479634-n:
tiny (150 to 300 grams) extinct primate of 46 to 50 million years ago; fossils found in Algeria; considered by some authorities the leading candidate for the first anthropoid
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Glosses
(rgloss)
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02496210-n:
extinct small mostly diurnal lower primates that fed on leaves and fruit; abundant in North America and Europe 30 to 50 million years ago; their descendents probably include the lemurs; some authorities consider them ancestral to anthropoids but others consider them only cousins
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Glosses
(rgloss)
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02500749-n:
extinct tiny nocturnal lower primates that fed on fruit and insects; abundant in North America and Europe 30 to 50 million years ago; probably gave rise to the tarsiers; some authorities consider them ancestral to anthropoids but others consider them only cousins
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Glosses
(rgloss)
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05887911-n:
(cosmology) the theory that the universe originated sometime between 10 billion and 20 billion years ago from the cataclysmic explosion of a small volume of matter at extremely high density and temperature
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Glosses
(rgloss)
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06156521-n:
the determination of how long ago different languages evolved from a common source language
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Glosses
(rgloss)
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08831004-n:
a nation occupying the whole of the Australian continent; Aboriginal tribes are thought to have migrated from southeastern Asia 20,000 years ago; first Europeans were British convicts sent there as a penal colony
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Glosses
(rgloss)
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12214245-n:
a living fossil or so-called `green dinosaur'; genus or subfamily of primitive nut-bearing trees thought to have died out 50 million years ago; a single specimen found in 1994 on Mount Bartle Frere in eastern Australia; not yet officially named
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Glosses
(rgloss)
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15124183-n:
the period from about 5,400 million years ago until the present
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Glosses
(rgloss)
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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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Glosses
(rgloss)
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15125097-n:
from 63 million to 2 million years ago
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Glosses
(rgloss)
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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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Glosses
(rgloss)
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15125519-n:
from 25 million to 13 million years ago; appearance of grazing mammals
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Glosses
(rgloss)
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15125679-n:
from 40 million to 25 million years ago; appearance of sabertoothed cats
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Glosses
(rgloss)
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15125845-n:
from 58 million to 40 million years ago; presence of modern mammals
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Glosses
(rgloss)
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15126000-n:
from 63 million to 58 million years ago; appearance of birds and earliest mammals
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Glosses
(rgloss)
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15126175-n:
from 230 million to 63 million years ago
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Glosses
(rgloss)
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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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Glosses
(rgloss)
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15126595-n:
from 190 million to 135 million years ago; dinosaurs; conifers
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Glosses
(rgloss)
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15126750-n:
from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity
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Glosses
(rgloss)
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15126931-n:
from 544 million to about 230 million years ago
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Glosses
(rgloss)
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15127165-n:
from 280 million to 230 million years ago; reptiles
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Glosses
(rgloss)
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15127307-n:
from 345 million to 280 million years ago
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Glosses
(rgloss)
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15127507-n:
from 310 million to 280 million years ago; warm climate; swampy land
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Glosses
(rgloss)
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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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Glosses
(rgloss)
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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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Glosses
(rgloss)
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15128200-n:
from 425 million to 405 million years ago; first air-breathing animals
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Glosses
(rgloss)
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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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Glosses
(rgloss)
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15128549-n:
from 544 million to about 500 million years ago; marine invertebrates
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Glosses
(rgloss)
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15128711-n:
the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
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Glosses
(rgloss)
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15128997-n:
from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms
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Glosses
(rgloss)
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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
(rgloss)
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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
(rgloss)
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15232712-n:
the oldest part of the Paleolithic Age with the emergence of the hand ax; ended about 120,000 years ago
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Glosses
(rgloss)
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15233239-n:
middle part of the Stone Age beginning about 15,000 years ago
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Glosses
(rgloss)
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15244351-n:
as long ago as anyone can remember
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