/stib"nuyt/ , n.
a soft mineral, antimony sulfide, Sb 2 S 3 , lead-gray in color with a metallic luster, occurring in crystals, often acicular, or in bladed masses: the most important ore of antimony.
[ 1850-55; STIB(I)NE (in obs. sense "stibnite") + -ITE 1 ]