English dictionary



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English adjective: quaternary

1. quaternary consisting of or especially arranged in sets of four


SamplesQuaternate leaves.
A quaternary compound.


Synonymsquaternate


Similarmultiple


Antonymssingle

2. quaternary coming next after the third and just before the fifth in position or time or degree or magnitude


SamplesThe quaternary period of geologic time extends from the end of the tertiary period to the present.


Synonyms4th, fourth


Similarordinal


Antonymscardinal


English noun: Quaternary

1. Quaternary (time) last 2 million years


SynonymsAge of Man, Quaternary period


Instance hypernymgeological period, period


Part holonymGlacial epoch, Holocene, Holocene epoch, Pleistocene, Pleistocene epoch, Recent, Recent epoch


Part meronymAge of Mammals, Cenozoic, Cenozoic era

2. quaternary (quantity) the cardinal number that is the sum of three and one


Synonyms4, four, foursome, IV, Little Joe, quadruplet, quartet, quatern, quaternion, quaternity, tetrad


Broader (hypernym)digit, figure









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