a. Chem. [ad. F. sulfovinique, f. sulfo- SULPHO- + vin wine.] Sulphovinic acid: an acid produced by the action of sulphuric acid on alcohol or spirit of wine; ethyl hydrogen sulphate or ethyl sulphuric acid. Hence Sulphovinate.
1826. Hennell, in Phil. Trans., CXVI. III. 245. Sulphovinate of potash. Ibid., 248. Oil of wine … is resolvable … into sulphovinic acid.
1844. Fownes, Man. Elem. Chem., 388. A solution of sulphovinic acid, or, what is equivalent to it, a mixture, in due proportions, of oil of vitriol and strong alcohol.
1907. J. B. Cohen, Org. Chem., i. 9.
