metasomatism

noun

meta·​so·​ma·​tism ˌme-tə-ˈsō-mə-ˌti-zəm How to pronounce metasomatism (audio)
: metamorphism that involves changes in the chemical composition as well as in the texture of rock
metasomatic adjective

Examples of metasomatism in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The porphyries intrude sediments (sandstone, limestone, and shale) which show contact metasomatism around dykes and intrusive stocks. Sacramento Bee, 2 July 2024

Word History

Etymology

metasomatic from German metasomatisch, from Greek meta- + sōmat-, sōma body

First Known Use

1886, in the meaning defined above

Time Traveler
The first known use of metasomatism was in 1886

Dictionary Entries Near metasomatism

Cite this Entry

“Metasomatism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metasomatism. Accessed 22 Nov. 2024.

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