Word Study
sulphacid
CIDE DICTIONARY
sulphacid, n. [Sulpho- + acid.].
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]
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