noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The study of the origin, composition and structure of rock. uncountable, usually
2. 2
   the branch of geology that studies rocks: their origin and formation and mineral composition and classification wordnet

Synonyms

All synonyms

crystallographygeologylithologymineralogy

Example

More examples

"Geology is divided into various branches such as mineralogy, petrology, and physical geology."

Etymology

From petro- + -logy.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.