Quaternary : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: Quaternary	by the DICT Development Group
3 results for Quaternary
From WordNet (r) 3.0 (2006) [wn]:
quaternary adj consisting of or especially arranged in sets of four; "quaternate leaves"; "a quaternary compound" Synonym(s): quaternate, quaternary 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" Synonym(s): fourth, 4th, quaternary n last 2 million years [syn: Quaternary, {Quaternary period}, Age of Man] the cardinal number that is the sum of three and one Synonym(s): four, 4, IV, tetrad, quatern, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joe
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quaternary \Quater"nary\, 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 \Quater"nary\, 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}.