Associations to the word «Petrology»

Wiktionary

PETROLOGY, noun. (geology) the study of the origin, composition and structure of rock

Dictionary definition

PETROLOGY, noun. The branch of geology that studies rocks: their origin and formation and mineral composition and classification.

Wise words

Don't use words too big for the subject. Don't say "infinitely" when you mean "very"; otherwise you'll have no word left when you want to talk about something really infinite.
C. S. Lewis