pegmatite

play
noun peg·ma·tite \ˈpeg-mə-ˌtīt\

Definition of pegmatite

  1. :  a coarse variety of granite occurring in dikes or veins

pegmatitic

play \ˌpeg-mə-ˈti-tik\ adjective

Origin and Etymology of pegmatite

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


First Known Use: circa 1828


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