pneumatolytic

pneumatolysis

[noo-muh-tol-uh-sis, nyoo-]
noun Geology.
the process by which rocks are altered or minerals and ores are formed by the action of vapors given off by magma.

Origin:
1895–1900; pneumato- + -lysis

pneumatolytic, pneumatolitic [noo-mat-l-it-ik, nyoo-, noo-muh-tl-, nyoo-] , adjective
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World English Dictionary
pneumatolysis (ˌnjuːməˈtɒlɪsɪs)
 
n
a type of metamorphism in which hot gases from solidifying magma react with surrounding rock

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