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90s Slang You Should Know

geologic time

the succession of eras, periods, and epochs as considered in historical geology.
Origin of geologic time
First recorded in 1860-65 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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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

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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