[ gran-yuh-lahyt ]
/ ˈgræn yəˌlaɪt /


a metamorphic rock composed of granular minerals of uniform size, as quartz, feldspar, or pyroxene, and showing a definite banding.

Origin of granulite

First recorded in 1840–50; granule + -ite1

Related forms

gran·u·lit·ic [gran-yuh-lit-ik] /ˌgræn yəˈlɪt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for granulite

British Dictionary definitions for granulite


/ (ˈɡrænjʊˌlaɪt) /


a granular foliated metamorphic rock in which the minerals form a mosaic of equal-sized granules

Derived Forms

granulitic (ˌɡrænjʊˈlɪtɪk), adjective
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 granulite


[ grănyə-līt′ ]

A fine-grained metamorphic rock consisting of similarly sized, interlocking minerals. Unlike most metamorphic rocks, granulites do not exhibit foliation or textural or mineralogical layering.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.