Tertiary

See also: tertiary

English

Etymology

See tertiary.

Adjective

Tertiary (not comparable)

  1. (geology) Of or pertaining to the first part of the Cenozoic era when modern flora and mammals appeared.

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Proper noun

Tertiary

  1. (geology) The first part of the Cenozoic era when modern flora and mammals appeared.
    • 1966 October, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume I, New York, N.Y.; London: Columbia University Press, →OCLC, page 4:
      [] a continental northern Alaskan element, including a series of endemic species and disjuncts that have survived the Pleistocene glaciation in northern Alaska and thus represent relicts of the much warmer Tertiary []

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