Cite
 

Meaning of ferrous sulfide

fer'rous sul'fide

Pronunciation: [key]
— Chem. Chem.
  1. a dark or black metallic crystalline compound, FeS, insoluble in water, soluble in acids, used in ceramics and to generate hydrogen sulfide.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.