Category:Sulphacid

Sulph*ac"id, n. Etym: [sulpho- + acid.] (chem.)

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.