Quaternary
| 1. |
(noun) last 2 million years |
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Synonyms: Age of Man, Quaternary period |
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Related Words: geological period, period |
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| 2. |
(satellite adjective) consisting of or especially arranged in sets of four; "quaternate leaves"; "a quaternary compound" |
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Synonyms: quaternate |
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| 3. |
(satellite adjective) 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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Synonyms: 4th, fourth |
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| 4. |
(noun) the cardinal number that is the sum of three and one |
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Synonyms: 4, IV, Little Joe, four, foursome, quadruplet, quartet, quatern, quaternion, quaternity, tetrad |
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Related Words: digit |
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