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2017 Word of the Year

pneumatolysis

[noo-muh-tol-uh-sis, nyoo-] /ˌnu məˈtɒl ə sɪs, ˌnyu-/
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
1895-1900
First recorded in 1895-1900; pneumato- + -lysis
Related forms
pneumatolytic, pneumatolitic
[noo-mat-l-it-ik, nyoo-, noo-muh-tl-, nyoo-] /nʊˌmæt lˈɪt ɪk, nyʊ-, ˌnu mə tl-, ˌnyu-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for pneumatolysis

pneumatolysis

/ˌnjuːməˈtɒlɪsɪs/
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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