Found 2 items, similar to quaternary.
English → English (WordNet) Definition: quaternary 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]
English → English (gcide) Definition: Quaternary 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.] [1913 Webster] 1. Consisting of four; by fours, or in sets of four. [1913 Webster] 2. (Geol.) Later than, or subsequent to, the Tertiary; Post-tertiary; as, the Quaternary age, or Age of man. [1913 Webster] Quaternary \Qua*ter"na*ry\, n. [L. numerus quaternarius: cf. F. quaternaire.] 1. The number four. --Boyle. [1913 Webster] 2. (Geol.) The Quaternary age, era, or formation. See the Chart of Geology. [1913 Webster]