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geologic time

noun
1.
the succession of eras, periods, and epochs as considered in historical geology.
Origin
1860-1865
1860-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for geologic time
  • While to human observers that's ancient history, in geologic time it's a blink of an eye ago.
  • Yeah, the difference between geologic time and human time is immense.
  • The age of formations is marked on a geologic calendar known as the geologic time scale.
  • geologic time is subdivided into age, era and period in decreasing lengths of time involved.
  • Present the geologic time line in an understandable way for kids.
  • The fossils are arranged by geologic time period and the formations in which they are found.
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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