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sulphacid |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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.