15247518-n 'a unit of geological time during which a system of rocks formed';
 
Chinese (simplified) 时代 , 地质时代
English period , geological period
Indonesian zaman , usia
Japanese 期間 , 時代 , 時期
Definitions
English
a unit of geological time during which a system of rocks formed
ganoid fishes swarmed during the earlier geological periods
Japanese
岩の体系ができた地質学的時間の単位
硬鱗類の魚は地質時代の早い時期に群がっていた
Relations
Hyponym: ice_age
Hypernym: geological_time
Instance: cambrian carboniferous cretaceous devonian jurassic mississippian ordovician pennsylvanian permian quaternary silurian tertiary triassic
Meronym–Part: epoch
Holonym–Part: era
Semantic Field: timen
External Links

SUMO: ⊂ TimeInterval

TempoWN: (Past: 0.000; Present: 0.029; Future: 0.000)

SentiWN: (+0.00 -0.00) MLSentiCon: (+0.00 -0.00)


Langs:

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Maintainer: Francis Bond <bond@ieee.org>