granophyre

[ gran-uh-fahyuh r ]
/ ˈgræn əˌfaɪər /

noun

a fine-grained or porphyritic granitic rock with a micrographic intergrowth of the minerals of the groundmass.

Origin of granophyre

First recorded in 1880–85; grano- + -phyre

Related forms

gran·o·phy·ric [gran-uh-fir-ik] /ˌgræn əˈfɪr ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for granophyre

British Dictionary definitions for granophyre

granophyre

/ (ˈɡrænəʊˌfaɪə) /

noun

a fine-grained granitic rock in which irregular crystals of intergrown quartz and feldspar are embedded in a groundmass of these minerals

Derived Forms

granophyric (ˌɡrænəʊˈfɪrɪk), adjective

Word Origin for granophyre

C19: from gran (ite) + -phyre after porphyry
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for granophyre

granophyre

[ grănə-fīr′ ]

A fine-grained igneous rock that has large intergrown crystals of quartz and feldspar in the matrix.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.