- sulphoacid
- Sulphacid Sulph*ac"id, n. [Sulpho- + acid.] (Chem.) 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. [1913 Webster]
The Collaborative International Dictionary of English. 2000.