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petrogenesis

American  
[pe-troh-jen-uh-sis] / ˌpɛ troʊˈdʒɛn ə sɪs /

noun

  1. the branch of petrology dealing with the origin and formation of rocks.

  2. the origin and formation of rocks.


petrogenesis Scientific  
/ pĕt′rō-jĕnĭ-sĭs /
  1. The branch of petrology that deals with the origin and formation of rocks, especially igneous rocks.


Other Word Forms

Etymology

Origin of petrogenesis

First recorded in 1900–05; petro- 1 + -genesis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Bell, K. & Keller, J. Carbonatite volcanism: Oldoinyo Lengai and the petrogenesis of natrocarbonatites.

From Textbooks • Jan. 1, 2017

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