the GNU version of the Collaborative International Dictionary of English
adj. Pertaining to, or derived from, hydrogen and sulphur.
The Century Dictionary and Cyclopedia
In chem., containing hydrogen and sulphur as constituents: as. hydrosulphuric acid.
Word Usage
"This is due to the fact that chromic sulphide, like aluminium sulphide, hydrolyzes in the presence of water, forming chromic hydroxide and hydrosulphuric acid."