Definition Definition

quaternary - Meaning and Examples

Meaning of 'quaternary' (Webster Dictionary)

1 . Quaternary [ a.]
- Consisting of four; by fours, or in sets of four.
- Later than, or subsequent to, the Tertiary; Post-tertiary; as, the Quaternary age, or Age of man.
2 . Quaternary [ n.]
- The number four.
- The Quaternary age, era, or formation. See the Chart of Geology.

Meaning of 'quaternary' (Princeton's WordNet)

1 . quaternary [ s]
Meaning (1):
- consisting of or especially arranged in sets of four
Example in sentence:
  • a quaternary compound;
  • quaternate leaves
Meaning (2):
- coming next after the third and just before the fifth in position or time or degree or magnitude
Example in sentence:
  • the quaternary period of geologic time extends from the end of the tertiary period to the present