mesocratic

[ mez-uh-krat-ik, mes-, mee-zuh-, -suh- ]

/ ˌmɛz əˈkræt ɪk, ˌmɛs-, ˌmi zə-, -sə- /

adjective Petrology.

(of an igneous rock) composed of light and dark minerals in nearly equal amounts.

Words nearby mesocratic

mesocephalic, mesocolon, mesocolopexy, mesocord, mesocranic, mesocratic, mesocyclone, mesoderm, mesodiastolic, mesodont, mesodontism

Origin of mesocratic

First recorded in 1855–60; meso- + -crat + -ic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for mesocratic

mesocratic

/ (ˌmɛsəˈkrætɪk) /

adjective

(of igneous rocks) containing 30–60 per cent of ferromagnesian minerals

Word Origin for mesocratic

C20: from meso- + -crat, with allusion to the moderately dark colour of the rock. Compare leucocratic

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