(n.) 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.
SULPHACID
Meaning of SULPHACID in English
Webster's English dictionary. Английский словарь Webster. 2012