Definition of Quaternary

Adjective: quaternary  'kwó-tu(r),ne-ree or kwu'tur-nu-ree [N. Amer], kwu'tur-nu-ree [Brit]

1. Consisting of or especially arranged in sets of four
   "a quaternary compound";
   - quaternate
    
2. Coming next after the third and just before the fifth in position, time, degree or magnitude
   "the quaternary period of geologic time extends from the end of the tertiary period to the present";
   - fourth, 4th

Noun: quaternary  'kwó-tu(r),ne-ree or kwu'tur-nu-ree [N. Amer], kwu'tur-nu-ree [Brit]

1. The cardinal number that is the sum of three and one
   - four, 4, IV, tetrad, quatern, quaternion, quaternity, quartet, quadruplet, foursome, Little Joe

Noun: Quaternary

1. Last 2 million years
   - Quaternary period, Age of Man

See also:
quaternaries
quaternate

Anagrams containing the word Quaternary

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