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petrogeny

 - 2 dictionary results

pet⋅ro⋅gen⋅e⋅sis

[pe-troh-jen-uh-sis]
–noun
1. the branch of petrology dealing with the origin and formation of rocks.
2. the origin and formation of rocks.
Also called pe⋅trog⋅e⋅ny [pi-troj-uh-nee] .


Origin:
1900–05; petro- 1 + -genesis


pet⋅ro⋅ge⋅net⋅ic [pe-troh-juh-net-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Science Dictionary
petrogenesis   (pět'rō-jěn'ĭ-sĭs)  Pronunciation Key 
The branch of petrology that deals with the origin and formation of rocks, especially igneous rocks.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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