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geologic time

noun
1.
the succession of eras, periods, and epochs as considered in historical geology.
Origin of geologic time
1860-1865
1860-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for geologic time
Historical Examples
  • geologic time presents to the scientist one of the most difficult problems with which he has to deal.

    The Niagara River Archer Butler Hulbert
  • The former is the one movement which runs ever in the same direction through all geologic time.

  • The great length of geologic time inferred from the slow change of species.

    The Elements of Geology William Harmon Norton
  • But for the lapse of geologic time in which man has so far lived, Yellowstone has cornered the world's geyser market.

    The Book of the National Parks Robert Sterling Yard
  • There is a strong reason to believe that some such shiftings of sea level have occurred during the vast lapse of geologic time.

    Geology William J. Miller
  • Upon the precession of the equinoxes they erect a fabric of retrograde chronology, and set a clock to geologic time.

  • The sun set behind wooded mountains, long wave-lines raised far back in geologic time.

  • The flowing landscapes of geologic time may be likened to a kinetoscopic panorama.

    Geology William J. Miller
  • 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
  • But now the geologists admit that we have no rule for the measurement of geologic time.

    Gospel Philosophy J. H. Ward
geologic time in Science
geologic time
  (jē'ə-lŏj'ĭk)   

The period of time covering the formation and development of the Earth, from about 4.6 billion years ago to today.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Difficulty index for geologic time

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Word Value for geologic

12
16
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