英语词汇“toluidine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	toluidine
释义	toˈluidine Chem. Also toluidene, -in. [f. tolu- + -idine.] a. A crystalline base, C₇H₇(NH₂), produced by the action of sulphuric acid on nitrotoluene, solidifying in snow-white crystals, which gradually turn brown on contact with the air: the source of numerous compounds, e.g. *ˌazotoˈluidine, ˌphenyltoˈluidine, etc. Also called aˌmidoˈtoluene, and formerly toluylia. 1850Daubeny Atom. The.* viii. (ed. 2) 243 Methylaniline being identical with toluidine, an alkali obtained from the balsam of Tolu.1857Miller Elem. Chem. III. 467 Benzo-hydrochloric ether when heated in a sealed tube with ammonia furnishes the volatile base toluidine.1866Roscoe Elem. Chem. 348 A basic substance..analogous to aniline, and called amido-toluol, or Toluidine. b. toluidine blue, a thiazine dye, C₁₅H₁₆ClN₃S, now used chiefly as a biological stain. 1898Philadelphia Med. Jrnl. II. 343 Toluidin-blue is a member of the aniline group closely related chemically to methylene-blue.1908Toluidene blue [see metachromatically adv.].1947Ann. Rev. Microbiol. I. 346 Both methylene blue..and toluidin blue..have shown therapeutic activity in experimental rickettsial infections in animals.1981J. A. Kiernan Histol. & Histochem. Methods xviii. 258/1 The procedure..for demonstrating metachromasia with toluidine blue gives excellent results when used as a Nissl stain.
随便看	under-satisfaction undersaturated undersaturation under-sawyer undersay under-school underscore under-scribe underscriber underscrub under-sea undersea underseal undersearch under-seated under-secretary under-sect under-seedman underseek undersell under-sense under-sequence under-servant underserve under-service

英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。