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petrogenesis

[ 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.


petrogenesis

  1. The branch of petrology that deals with the origin and formation of rocks, especially igneous rocks.
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Other Word Forms

  • ···Ա· [pe-troh-j, uh, -, net, -ik], adjective
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Word History and Origins

Origin of petrogenesis1

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

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petrog.petroglyph