Meaning of hydrogen sulfide

hy'drogen sul'fide

Pronunciation: [key]
  1. a colorless, flammable, water-soluble, cumulatively poisonous gas, HS, having the odor of rotten eggs: used chiefly in the manufacture of chemicals, in metallurgy, and as a reagent in laboratory analysis. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.