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The Collaborative International Dictionary
Sulphinide

Sulphinide \Sul"phi*nide\, n. [Sulpho-- + amine + anhydride.] (Chem.) A white or yellowish crystalline substance, C6H4.(SO2.CO).NH, produced artificially by the oxidation of a sulphamic derivative of toluene. It is the sweetest substance known, having over two hundred times the sweetening power of sugar, and is known in commerce under the name of saccharine. It has acid properties and forms salts (which are inaccurately called saccharinates).
--I. Remsen.

Wiktionary
sulphinide

n. (alternative form of sulfinide English)