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Webster 1913 Edition
Sulphonic
Sul-phon′ic
,Adj.
(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 substanceSulphonic group
(Chem.)
, the hypothetical radical,
SO2.OH
, the characteristic residue of sulphonic acids.