potash feldspar


any of the feldspar minerals having the composition KAlSi3O8, as orthoclase.

Nearby words

  1. potamology,
  2. potamoplankton,
  3. potaro,
  4. potash,
  5. potash alum,
  6. potass,
  7. potassa,
  8. potassic,
  9. potassium,
  10. potassium acetate

Origin of potash feldspar

First recorded in 1860–65

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

Science definitions for potash feldspar

potash feldspar

Potassium feldspar.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.