geologic time


noun
  1. the succession of eras, periods, and epochs as considered in historical geology.

Origin of geologic time

1
First recorded in 1860–65

Words Nearby geologic time

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use geologic time in a sentence

  • geologic time divisions compared with those of human history.

    The Elements of Geology | William Harmon Norton
  • The great length of geologic time inferred from the slow change of species.

    The Elements of Geology | William Harmon Norton
  • From geologic evidence it is known that Florida has been rising since late geologic time.

    Florida Caverns State Park | Robert O. Vernon
  • Even in the Archeozoic the rocks testify to a climate seemingly not greatly different from that of the average of geologic time.

    Climatic Changes | Ellsworth Huntington

Scientific definitions for geologic time

geologic time

[ jē′ə-lŏjĭk ]


  1. The period of time covering the formation and development of the Earth, from about 4.6 billion years ago to today.

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