Meaning of mercuric sulfide

mercu'ric sul'fide

Pronunciation: [key]
  1. a crystalline, water-insoluble, poisonous compound, HgS, occurring as a coarse, black powderor as a fine, bright-scarlet powder: used chiefly as a pigment and as a source of the free metal.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.