mesocratic

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

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

Origin of mesocratic

1
First recorded in 1855–60; meso- + -crat + -ic

Words Nearby mesocratic

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British Dictionary definitions for mesocratic

mesocratic

/ (ˌmɛsəˈkrætɪk) /


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

Origin of mesocratic

1
C20: from meso- + -crat, with allusion to the moderately dark colour of the rock. Compare leucocratic

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