Definition of Pegmatite
1. Noun. A form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements.
Definition of Pegmatite
1. n. Graphic granite. See under Granite.
Definition of Pegmatite
1. [n -S]
Medical Definition of Pegmatite
1.
Graphic granite. See Granite.
More generally, a coarse granite occurring as vein material in other rocks.
Origin: From Gr. Something fastened together, in allusion to the quartz and feldspar in graphic granite: cf. F. Pegmatite. See Pegm.
Source: Websters Dictionary
(01 Mar 1998)
Lexicographical Neighbors of Pegmatite
Other Resources:


