geochronology Hear it!

geochronology definition

geo·chro·nol·ogy (-krə näl′ə jē)

noun

the branch of geology dealing with the age of the earth and its materials, the dating of evolutionary stages in plant and animal development, etc.

Etymology: geo- + chronology

Related Forms:

  • geochronological ge′o·chron′o·log′i·cal (-krän′ə läj′i kəl) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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