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geologic time

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geologic time

 
Use geologic time in a Sentence
–noun
the succession of eras, periods, and epochs as considered in historical geology.
Origin:
1860–65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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geologic time  


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n.  The period of time covering the physical formation and development of Earth, especially the period prior to human history.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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