释义 |
ne·vile and win·ther's acid \ˈnāvəl, ˈvintə(r)z-\ noun Usage: usually capitalized N&W Etymology: after R.H.C. Nevile, 19th century chemist and Adolph Winther, 20th century German chemist : a crystalline phenolic sulfonic acid HOC10H6SO3H made by sulfonation of alpha-naphthol and used as a dye intermediate; 1-naphthol-4-sulfonic acid |