• synonyms


[feld-spath-ik, fel-, feld-spath-, fel-]
adjective Mineralogy.
  1. of, relating to, or containing feldspar.
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Also felspathic, feld·spath·ose, felspathose.

Origin of feldspathic

1825–35; < German Feldspath (see feldspar) + -ic
Related formsnon·feld·spath·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for feldspathic

Historical Examples

  • It occurs in the various feldspars and feldspathic rocks, and in mica.

    Commercial Geography

    Jacques W. Redway

  • Sienite and feldspar succeeded in our descent to the snow line, where we found a feldspathic granite.

feldspathic in Science


[fĕld-spăthĭk, fĕl-]
  1. Relating to or containing feldspar.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.