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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

/ ˌːəˈɒɪɪ /

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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Other Word Forms

  • pneumatolytic adjective
  • pneumatolitic adjective
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Word History and Origins

Origin of pneumatolysis1

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

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pneumatologypneumatometer

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