PEGMATITE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Classified under:

Nouns denoting substances

Hypernyms ("pegmatite" is a kind of...):

igneous rock (rock formed by the solidification of molten magma)

Meronyms (substance of "pegmatite"):

samarskite (a complex black mineral occurring in pegmatites)

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