from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, relating to, or containing feldspar.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Containing feldspar.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Pertaining to, or consisting of, feldspar.

from The Century Dictionary and Cyclopedia

  • Pertaining to feldspar or containing it: an epithet applied to any mineral in which feldspar predominates. Also written felspathic.


From obsolete German Feldspath, feldspar; see feldspar.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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