English

Alternative forms

• foid

Noun

feldspathoid ‎(countable and uncountable, plural feldspathoids)

1. (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)

1. (mineralogy) Resembling a feldspar.

See also

• feldspathic