释义 |
naph·thi·on·ic acid \| ̷ ̷ ̷ ̷|änik-\ noun Etymology: International Scientific Vocabulary, from naphthylaminesulfonic : a crystalline naphthylaminesulfonic acid made by baking a mixture of alpha-naphthylamine and sulfuric acid and used in the preparation of Congo red and other dyes; 4-amino-1-naphthalenesulfonic acid |