feldspathoid

English

Alternative forms

• foid

Etymology

From (deprecated template usage) [etyl] German Feldspath (“feldspar”) +‎ -oid.

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