(mineralogy) Any of a small group of igneous, plutonic, and volcanic minerals formed in magma that did not contain enough silica to satisfy all the chemical bonds. Feldspathoids are silica-poor variants of the feldspar group.
feldspathose
feldspathose
Adjective
Containing feldspar.
spifflicated
spifflicated
verb
simple past tense and past participle of spifflicate
