1. (noun)
Quaternary, Quaternary period, Age of Man
- last 2 million years
Synonyms:
quaternion, quartet, quaternity, tetrad, foursome, four, quadruplet, quatern
2. (noun)
four, 4, IV, tetrad, quatern, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joe
- the cardinal number that is the sum of three and one
3. (adj)
quaternate, quaternary
- consisting of or especially arranged in sets of four
Synonyms:
quaternary, fourth, quaternate
4. (adj)
fourth, 4th, quaternary
- coming next after the third and just before the fifth in position or time or degree or magnitude
Synonyms:
quaternary, fourth, quaternate
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Synonyms of 'quaternary'
