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pegmatite

noun peg·ma·tite \ ˈpeg-mə-ˌtīt \

Definition of pegmatite

: a coarse variety of granite occurring in dikes or veins
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pegmatitic

play \ˌpeg-mə-ˈti-tik\ adjective

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Origin and Etymology of pegmatite

French, from Greek pēgmat-, pēgma something fastened together, from pēgnynai to fasten together — more at pact

Learn More about pegmatite

  1. Britannica.com: Encyclopedia article about pegmatite

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