单词 sulphonal 释义 sulphonal Chem.|slfnl|Also sulf-.[ad. G. sulfonal (Berichte der chem. Gesellsch., 1886, p. 2806), f. sulfon sulphone.]Diethyl-sulphone-dimethyl-methane, a white crystalline substance, used as a hypnotic.1889Pall Mall Gaz. 26 Apr. 2/3...