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potash feldspar

American  

noun

  1. any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.

potash feldspar Scientific  

  1. Potassium feldspar.

Etymology

Origin of potash feldspar

First recorded in 1860–65

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.