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

Browse Nearby Words

Cite this Entry

“Metasomatism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metasomatism. Accessed 6 Mar. 2025.

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