leucocratic

American

[loo-kuh-krat-ik] / ˌlu kəˈkræt ɪk /

adjective

Geology.

(of a rock) composed mainly of light-colored minerals.

leucocratic British

/ ˌluːkəˈkrætɪk /

adjective

(of igneous rocks) light-coloured because of a low content of ferromagnesian minerals

"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

Etymology

Origin of leucocratic

leuco- + -crat + -ic

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023