Synonyms of quaternary


1. Quaternary, Quaternary period, Age of Man

usage: last 2 million years

2. four, 4, IV, tetrad, quatern, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joe, digit, figure

usage: the cardinal number that is the sum of three and one


1. quaternate, quaternary, multiple (vs. single)

usage: consisting of or especially arranged in sets of four; "quaternate leaves"; "a quaternary compound"

2. fourth, 4th, quaternary, ordinal (vs. cardinal)

usage: coming next after the third and just before the fifth in position or time or degree or magnitude; "the quaternary period of geologic time extends from the end of the tertiary period to the present"

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Definition and meaning of quaternary (Dictionary)