Sulphacid
Pronunciation : Sulph*ac"id
Part of Speech : n.
Etymology : [Sulpho- + acid.] (Chem.)
Definition : Defn: An acid in which, to a greater or less extent, sulphur plays a part analogous to that of oxygen in an oxyacid; thus, thiosulphuric and sulpharsenic acids are sulphacids; -- called also sulphoacid. See the Note under Acid, n., 2.
Source : Webster's Unabridged Dictionary, 1913