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

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.