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picrite

American  
[pik-rahyt] / ˈpɪk raɪt /

noun

  1. a granular igneous rock composed chiefly of olivine and augite, but containing small amounts of feldspar.

picrite British  
/ ˈpɪkraɪt /

noun

  1. a coarse-grained ultrabasic igneous rock consisting of olivine and augite with small amounts of plagioclase feldspar

"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 picrite

1805–15; < Greek pikr ( ós ) bitter + -ite 1

Example Sentences

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These range from acid to ultrabasic types and include granite, augite-diorite, picrite and serpentine.

From Project Gutenberg

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.