Word Study
hydrosulphide
CIDE DICTIONARY
hydrosulphide, n.
One of a series of compounds, derived from hydrogen sulphide by the replacement of half its hydrogen by a base or basic radical; as, potassium hydrosulphide, KSH . The hydrosulphides are analogous to the hydrates and include the mercaptans. [1913 Webster]
For further exploring for "hydrosulphide" in Webster Dictionary Online