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petrology: Meaning and Definition of

pe•trol•o•gy

Pronunciation: (pi-trol'u-jē), [key]
— n.
  1. the scientific study of rocks, including petrography and petrogenesis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
Petrolina petronel
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