Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

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 of pegmatite

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


First Known Use: circa 1828


Learn More about pegmatite


Seen and Heard

What made you want to look up pegmatite? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

tending to dismiss important matters

Get Word of the Day daily email!