n.
A lead-gray mineral, Sb2S3, that is the chief source of antimony.
[French stibine, stibnite (from Latin stibium, antimony; see stibine) + -ITE1.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.