# petrogenesis

> English word · Noun · IPA /ˌpɛtɹoʊˈd͡ʒɛnəsɪs/

## Definitions
1. Rock formation, especially the formation of igneous or metamorphic rocks.
2. The study of the origin of rocks, especially igneous and metamorphic rocks.

## Etymology
From petro- + -genesis, originally as a calque of earlier German Petrogenese and Petrogenesis.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/petrogenesis