noun Petrography.

a metamorphic rock composed mainly of amphibole and plagioclase.

Origin of amphibolite

First recorded in 1825–35; amphibole + -ite1
Related formsam·phib·o·lit·ic [am-fib-uh-lit-ik] /æmˌfɪb əˈlɪt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for amphibolite

Historical Examples of amphibolite

British Dictionary definitions for amphibolite



a metamorphic rock consisting mainly of amphibole and plagioclase
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

amphibolite in Science



A metamorphic rock composed chiefly of amphibole and plagioclase and having little or no quartz.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.