[ ek-luh-jahyt ]
/ ˈɛk ləˌdʒaɪt /


a rock consisting of a granular aggregate of green pyroxene and red garnet, often containing kyanite, silvery mica, quartz, and pyrite.

Origin of eclogite

1815–25; <Greek eklog() selection (see eclogue) + -ite1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for eclogite

British Dictionary definitions for eclogite

/ (ˈɛkləˌdʒaɪt) /


a rare coarse-grained basic rock consisting principally of garnet and pyroxene. Quartz, feldspar, etc, may also be present. It is thought to originate by metamorphism or igneous crystallization at extremely high pressure

Word Origin for eclogite

C19: from Greek eklogē a selection
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

Scientific definitions for eclogite

[ ĕklə-jīt′ ]

A greenish, coarse-grained metamorphic rock consisting of pyroxene, quartz, and feldspar with large red garnet inclusions. Eclogites form under conditions of high pressure and moderate to high temperatures.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.