phenocryst

noun
phe·​no·​cryst | \ ˈfē-nə-ˌkrist How to pronounce phenocryst (audio) \

Definition of phenocryst

: one of the prominent embedded crystals of a porphyry

Other Words from phenocryst

phenocrystic \ ˌfē-​nə-​ˈkri-​stik How to pronounce phenocrystic (audio) \ adjective

First Known Use of phenocryst

1889, in the meaning defined above

History and Etymology for phenocryst

French phénocryste, from Greek phainein to show + krystallos crystal — more at fancy

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The first known use of phenocryst was in 1889

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Cite this Entry

“Phenocryst.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/phenocryst. Accessed 18 January 2020.

More from Merriam-Webster on phenocryst

Britannica.com: Encyclopedia article about phenocryst

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