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pneumatolysis

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

Origin of pneumatolysis

First recorded in 1895–1900; pneumato- + -lysis
Related formspneu·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. 2018
British Dictionary definitions for pneumatolysis

pneumatolysis

noun
  1. 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

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