n. A grey mineral, Sb2S3, that is the main ore of antimony; used in ancient times as the cosmetic kohl.
the GNU version of the Collaborative International Dictionary of English
n. A mineral of a lead-gray color and brilliant metallic luster, occurring in prismatic crystals; sulphide of antimony; -- called also antimony glance, and gray antimony.
The Century Dictionary and Cyclopedia
n. Native antimony trisulphid (Sb2S3), a mineral usually occurring in orthorhombic crystals, sometimes of great size, often acicular; and also massive. See cut under acicular.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a soft grey mineral; the chief ore of antimony
Word Usage
"(Sb_ {2} S_ {3}), called stibnite, though it is also found as oxide and as"