feldspathoid

Noun

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.

Adj

Resembling a feldspar.

Origin / Etymology

From German Feldspath (“feldspar”) + -oid.

Scrabble Score: 22

feldspathoid: not valid in Scrabble (US) TWL Dictionary
feldspathoid: not valid in Scrabble (MW) Merriam-Webster Dictionary
feldspathoid: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 23

feldspathoid is a valid Words With Friends word