ˈsulpho-ˌacid Chem.
[f. sulpho- + acid.]
a. An acid obtained from another acid by substituting sulphur for oxygen; as sulphocyanic acid, CNHS, from cyanic acid, CNHO: now called thio-acid. b. An acid which contains the group SO2.OH united to carbon. (See sulphonic.)
| 1857 Q. Jrnl. Chem. Soc. IX. 248 A method is thus indicated by which probably all the hydrocarbons, Cn2-2 Hn2, may be prepared from the corresponding sulpho-acids. 1857 Miller Elem. Chem., Org. iii. §3. 141 The hydrates of these sulpho-acids are more unstable than their metallic salts. |