English noun: Quaternary |
1. | Quaternary (time) last 2 million years |
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| Synonyms | Age of Man, Quaternary period |
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| Instance hypernym | geological period, period |
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| Part holonym | Glacial epoch, Holocene, Holocene epoch, Pleistocene, Pleistocene epoch, Recent, Recent epoch |
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| Part meronym | Age of Mammals, Cenozoic, Cenozoic era |
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2. | quaternary (quantity) the cardinal number that is the sum of three and one |
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| Synonyms | 4, four, foursome, IV, Little Joe, quadruplet, quartet, quatern, quaternion, quaternity, tetrad |
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| Broader (hypernym) | digit, figure |
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