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
Britannica.com: Encyclopedia article 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).