| Sulphonic | a. (Chem.) Pertaining to, or derived from, a sulphone; -- used specifically to designate any one of a series of acids (regarded as acid ethereal salts of sulphurous acid) obtained by the oxidation of the mercaptans, or by treating sulphuric acid with certain aromatic bases (as benzene); as, phenyl sulphonic acid, C6H5.SO2.OH, a stable colorless crystalline substance. [ 1913 Webster ]
Sulphonic group (Chem.), the hypothetical radical, SO2.OH, the characteristic residue of sulphonic acids. [ 1913 Webster ]
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| Symphonic | a. 1. Symphonious. [ 1913 Webster ] 2. (Mus.) Relating to, or in the manner of, symphony; as, the symphonic form or style of composition. [ 1913 Webster ] |
