eclogite

[ek-luh-jahyt]

noun

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(ḗ) selection (see eclogue) + -ite¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for eclogite

Historical Examples of eclogite

Eclogite, ek′loj-īt, n. a crystalline rock, composed of smaragdite and red garnet.
Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)
Various
Omphacite, om′fa-sīt, n. a grass-green granular variety of pyroxene, one of the constituents of eclogite.
Chambers's Twentieth Century Dictionary (part 3 of 4: N-R)
Various
In the Newlands boulder the diamonds have the appearance of being an original constituent of the eclogite.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4
Various
Some regard the eclogite boulders as derived from deep-seated crystalline rocks, others as concretions in the blue ground.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4
Various

British Dictionary definitions for eclogite

eclogite

noun

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

eclogite in Science

eclogite

[ĕk′lə-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.