ORTHOCLASE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A white or colored monoclinic feldspar

Classified under:

Nouns denoting substances

Hypernyms ("orthoclase" is a kind of...):

feldspar; felspar (any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium)

Credits