pneumatolysis

[ noo-muh-tol-uh-sis, nyoo- ]
/ ˌnu məˈtɒl ə sɪs, ˌnyu- /

noun Geology.

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

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Origin of pneumatolysis

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

OTHER WORDS FROM pneumatolysis

pneu·mat·o·lyt·ic, pneu·mat·o·lit·ic [noo-mat-l-it-ik, nyoo-, noo-muh-tl-, nyoo-], /nʊˌmæt lˈɪt ɪk, nyʊ-, ˌnu mə tl-, ˌnyu-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for pneumatolysis

pneumatolysis
/ (ˌnjuːməˈtɒlɪsɪs) /

noun

a type of metamorphism in which hot gases from solidifying magma react with surrounding rock
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012