Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: feisty
Next word: feldspathoid
Definition of: feldspar
(feld′spär, fel′-) noun
Any one of a group of crystalline rock-forming materials which consist of silicates of aluminum with potassium, sodium, or calcium: sometimes spelled felspar. Also feld′spath (-spath). [Partial trans. of G feldspat <feld field + spat spar3]
—feld·spath′ic, feld·spath′ose adjective
Comment about this word, ask questions, or add new information about this topic: