feldspathoid
English
Alternative forms
- foid
Etymology
From German Feldspath (“feldspar”) + -oid.
Noun
feldspathoid (countable and uncountable, plural feldspathoids)
- (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.
Hyponyms
- analcime, cancrinite, hauynite, kalsilite, lazurite, leucite, nepheline, nosean, sodalite
Derived terms
- feldspathoidal
Adjective
feldspathoid (not comparable)
- (mineralogy) Resembling a feldspar.
See also
- feldspathic