Definition of "feldspathic" [feld•spath•ic]

• Of, relating to, or containing feldspar. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The rock here is a porphyritic granite (porhyritic meaning that the stone has large-grained crystals, such as feldspar or quartz, dispersed in a fine-grained feldspathic matrix or groundmass)."
• "And as far as craftsmanship, depending on which cosmetic dentist you go to, he or she will work with porcelain veneers fabricated by a machine out of Lucite, or porcelain veneers handcrafted out of feldspathic porcelain by a master artist (yes, I call the people who do this type of work artists.)"
• "The composition is what we ceramic engineers call Âfeldspathic."