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单词 quaternary
释义
Quaternary
nnoun.timelast 2 million years
Synset:Age of Man Quaternary Quaternary period
Part Holonyms:Age of Mammals Cenozoic Cenozoic era
Instance Hypernyms:geological period period
Inherited Hypernyms:quaternaryperiodgeological timetimeattributeabstractionentity
Part Meronyms:Holocene Holocene epoch Recent Recent epoch Glacial epoch Pleistocene Pleistocene epoch
nnoun.quantitythe cardinal number that is the sum of three and one
Synset:4 IV Little Joe four foursome quadruplet quartet quatern quaternion quaternity tetrad
Hypernyms:digit figure
Inherited Hypernyms:fourdigitintegernumberdefinite quantitymeasureabstractionentity
adj satadj.allconsisting of or especially arranged in sets of four
Synset:quaternate
Examples:
  • quaternate leaves
  • a quaternary compound
Antonyms:single
Inherited Hypernyms:quaternate
Similar to:multiple
adj satadj.allcoming next after the third and just before the fifth in position or time or degree or magnitude
Synset:4th fourth
Examples:
  • the quaternary period of geologic time extends from the end of the tertiary period to the present
Antonyms:cardinal
Inherited Hypernyms:fourth
Similar to:ordinal
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更新时间:2025/2/3 12:37:43