单词 | leucaniline |
释义 | > as lemmasleucaniline 3. As final element in many names of aniline derivatives; as chrysaniline, leucaniline, rosaniline, etc. ΚΠ 1872 H. Watts Dict. Chem. VI. 160 A considerable quantity of very pure hydrochloride of rosaniline. 1875 A. Ure Dict. Arts I. 187 Aniline-yellow..The name of Chrysaniline has been given to this very beautiful yellow colour. Hofmann has shown that chrysaniline is intimately related to rosaniline and leucaniline. leucaniline leucaniline n. Brit. /l(j)uːˈkanᵻliːn/ , /l(j)uːˈkanl̩iːn/ , /l(j)uːˈkanᵻlʌɪn/ , /l(j)uːˈkanl̩ʌɪn/ , /l(j)uːˈkanᵻlɪn/ , /l(j)uːˈkanl̩ɪn/ , U.S. /luˈkænəˌlaɪn/ , /luˈkænələn/ Chemistry a white crystalline coal-tar base (C20H21N3) obtained from rosaniline by reduction and from other substances.ΚΠ 1863 H. B. Jones & A. W. Hoffman Fownes's Man. Elem. Chem. (ed. 9) 673 The action of sulphide of ammonium upon rosaniline gives rise to a base, leucaniline..which contains two additional equivalents of hydrogen. < as lemmas |
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