Quaternary (noun) Definition, Meaning & Examples

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adjective
  1. consisting of four.
  2. arranged in fours.
  3. noting or pertaining to the present period of earth history, forming the latter part of the Cenozoic Era, originating about 2 million years ago and including the Recent and Pleistocene Epochs.
  4. (of an alloy) having four principal constituents.
noun, plural quat·er·nar·ies.
  1. a group of four.
  2. the number four.
  3. the Quaternary Period or System.
adjective
  1. consisting of fours or by fours
  2. fourth in a series
  3. containing or being an atom bound to four other atoms or groups
  4. having four variables
noun plural -naries
  1. the number four or a set of four
adjective
  1. of, denoting, or formed in the most recent period of geological time, which succeeded the Tertiary period nearly two million years ago
noun
  1. the Quaternary period or rock system, divided into Pleistocene and Holocene (Recent) epochs or series
Noun
    Adjective
      Quaternary (noun) Definition, Meaning & Examples

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