quword 趣词
Word Origins Dictionary
- methylal[methylal 词源字典]
- "Dimethoxymethane, (CH3O)2CH2, a colourless, volatile, pungent liquid, used as a solvent and formerly as an anaesthetic", Mid 19th cent.; earliest use found in Robert Thomson (1810–1864), medical officer of health. From French méthylal or German Methylal, shortened from German Formomethylal from formo- (formo-) + methyl- (in Methylen) + -al (in Acetal).[methylal etymology, methylal origin, 英语词源]