leucocratic

[ loo-kuh-krat-ik ]

adjective

, Geology.

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

leucocratic

/ ˌluːkəˈkrætɪk /

adjective

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

Word History and Origins

Origin of leucocratic¹

leuco- + -crat + -ic

Word History and Origins

Origin of leucocratic¹

C20: from German leukokrat, from leuco- + Greek kratein to rule