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pegmatite

peg·ma·tite

UK/ˈpɛɡmətaɪt/ US/ˈpɛɡmʌˌtaɪt/ uncommon

noun

1.

a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements

Origin

From Ancient Greek πήγνυμι (pḗgnumi, “to attach, join”) + -ite

Related words

Broader terms

Part of

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.