pneumatolysis

[ noo-muh-tol-uh-sis, nyoo- ]

noun

, Geology.

1. the process by which rocks are altered or minerals and ores are formed by the action of vapors given off by magma.

pneumatolysis

/ ˌnjuːməˈtɒlɪsɪs /

noun

1. a type of metamorphism in which hot gases from solidifying magma react with surrounding rock

Other Words From

• pneu·mat·o·lyt·ic pneu·mat·o·lit·ic [n, oo, -mat-l-, it, -ik, ny, oo, -, noo-m, uh, -tl-, nyoo-], adjective

Word History and Origins

Origin of pneumatolysis¹

First recorded in 1895–1900; pneumato- + -lysis