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(pe-trog-e-ny) 4 syllables

Definition

noun. the study of the origin and formation of rocks.

Example Sentence

We asked the expert in petrogeny about the rock that we found on our hike.

More Example Sentences

Students learn about petrogeny in class.

Synonyms

rock formation; geology; lithology

Antonyms

study of the origin of clouds

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petrogeny
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