paratoluidine
Toluidine To*lu"i*dine, n. (Chem.) Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively {orthtoluidine}, {metatoluidine}, and {paratoluidine}; especially, the commonest one, or {paratoluidine}, which is obtained as a white crystalline substance. [1913 Webster]

Note: It is used in the aniline dye industry, and constitutes the essential nucleus or radical of those dyes. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • paratoluidine — Toluidine To*lu i*dine, n. (Chem.) Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively {orthtoluidine}, {metatoluidine}, and {paratoluidine}; especially, the commonest one, or {paratoluidine},… …   The Collaborative International Dictionary of English

  • metatoluidine — Toluidine To*lu i*dine, n. (Chem.) Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively {orthtoluidine}, {metatoluidine}, and {paratoluidine}; especially, the commonest one, or {paratoluidine},… …   The Collaborative International Dictionary of English

  • orthtoluidine — Toluidine To*lu i*dine, n. (Chem.) Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively {orthtoluidine}, {metatoluidine}, and {paratoluidine}; especially, the commonest one, or {paratoluidine},… …   The Collaborative International Dictionary of English

  • Toluidine — To*lu i*dine, n. (Chem.) Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively {orthtoluidine}, {metatoluidine}, and {paratoluidine}; especially, the commonest one, or {paratoluidine}, which is… …   The Collaborative International Dictionary of English

  • Harrison red — 1. a pigment consisting of a paratoluidine toner, characterized by its brilliant red color and tendency to bleed. 2. pimento (def. 3). [perh. after B. Harrison (d. 1929), American artist] * * * …   Universalium

  • toluidine — /teuh looh i deen , din/, n. Chem. any of three isomeric amines having the formula C7H9N, derived from toluene: used in the dye and drug industries. Cf. metatoluidine, orthotoluidine, paratoluidine. [1840 50; TOLU(ENE) + ID3 + INE2] * * * …   Universalium

  • ANILINE — L’aniline est un composé organique renfermant une fonction amine primaire, c’est à dire un atome d’azote lié à un carbone et à deux hydrogènes; l’atome de carbone appartenant à un noyau benzénique, il s’agit d’une amine aromatique, la plus simple …   Encyclopédie Universelle

  • fuchsine — [ fyksin ] n. f. • 1859; nom commercial formé (avec allus. probable à fuchsia) de Fuchs, trad. all. de Renard, nom des fabricants, et ine ♦ Chim. Matière colorante rouge, toxique, utilisée en cytologie. ● fuchsine nom féminin (de Fuchs,… …   Encyclopédie Universelle

  • toluidine — toluène [ tɔlɥɛn ] n. m. • 1850; de (baume de) Tolu, ville de Colombie ♦ Hydrocarbure benzénique (C7H8), extrait autrefois du baume de Tolu et, de nos jours, des benzols des goudrons de houille, employé notamment comme solvant. Dérivé aminé du… …   Encyclopédie Universelle

  • harrison red — ˈharəsən noun Usage: often capitalized H Etymology: perhaps after Birge Harrison died 1929 American landscape painter : chinese vermilion * * * 1. a pigment consisting of a paratoluidine toner, characterized by its brilliant red color and… …   Useful english dictionary

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