monzonite

[mon-zuh-nahyt]

noun

any of a group of granular igneous rocks having approximately equal amounts of orthoclase and plagioclase feldspar, intermediate in composition between syenite and diorite.

Origin of monzonite

1880–85; < German Monzonit, named after Monzoni, mountain in Tyrol; see -ite¹

Related formsmon·zo·nit·ic

[mon-zuh-nit-ik] /ˌmɒn zəˈnɪt ɪk/, adjective

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British Dictionary definitions for monzonite

monzonite

noun

a coarse-grained plutonic igneous rock consisting of equal amounts of plagioclase and orthoclase feldspar, with ferromagnesian minerals

Derived Formsmonzonitic (ˌmɒnzəˈnɪtɪk), adjective

Word Origin for monzonite

C19: from German, named after Monzoni, Tyrolean mountain where it was found

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 monzonite

monzonite

[mŏn-zō′nīt′, mŏn′zə-nīt′]

An igneous rock composed chiefly of plagioclase and orthoclase, with small amounts of amphibole, pyroxene, and biotite. Monzonite contains little or no quartz.