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Pronunciation:  kwu'turnuree

WordNet Dictionary
  1. [n]  the cardinal number that is the sum of three and one
  2. [n]  last 2 million years
  3. [adj]  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"
  4. [adj]  consisting of or especially arranged in sets of four; "quaternate leaves"; "a quaternary compound"

QUATERNARY is a 10 letter word that starts with Q.


 Synonyms: 4, 4th, Age of Man, four, foursome, fourth, IV, Little Joe, multiple, ordinal, quadruplet, quartet, quatern, Quaternary period, quaternate, quaternion, quaternity, tetrad
 See Also: Age of Mammals, Cenozoic, Cenozoic era, digit, figure, geological period, Glacial epoch, Holocene, Holocene epoch, period, Pleistocene, Pleistocene epoch, Recent epoch



Webster's 1913 Dictionary
  1. \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.
  2. \Qua*ter"na*ry\, n. [L. numerus quaternarius: cf. F.
    1. The number four. --Boyle.
    2. (Geol.) The Quaternary age, era, or formation. See the
       Chart of {Geology}.