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feldspathic

[feld-spath-ik, fel-, feld-spath-, fel-]

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adjective Mineralogy.

of, relating to, or containing feldspar.

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. 2019

Examples from the Web for feldspathic

Historical Examples of feldspathic

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.
The Exploring Expedition to the Rocky Mountains, Oregon and California
Brevet Col. J.C. Fremont

feldspathic in Science

feldspathic

[fĕld-spăth′ĭk, fĕl-]

Relating to or containing feldspar.

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