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quaternary |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Quaternary \Qua*ter"na*ry\, a. [L. quaternarius consisting of four each containing four fr quaterni four each fr quattuor four: cf F. quaternaire See {Four}.] 1. Consisting of four by fours, or in sets of four 2. (Geol.) Later than or subsequent to the Tertiary; Post-tertiary; as the Quaternary age, or Age of man. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Quaternary \Qua*ter"na*ry\, n. [L. numerus quaternarius: cf F. quaternaire.] 1. The number four --Boyle. 2. (Geol.) The Quaternary age, era, or formation. See the Chart of {Geology}. From WordNet r 1.6 [wn]: quaternary adj 1: consisting of or especially arranged in sets of four "quaternate leaves"; "a quaternary compound" [syn: {quaternate}] 2: 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" [syn: {fourth}, {4th}] n 1: last 2 million years [syn: {Quaternary}, {Quaternary period}, {Age of Man}] 2: the cardinal number that is the sum of three and one [syn: {four}, {4}, {IV}, {tetrad}, {quatern}, {quaternion}, {quaternity}, {quartet}, {quadruplet}, {foursome}, {Little Joe}]
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