polychroïte

polychroïte
(po-li-kro-i-t') s. f.
Terme de chimie. Principe colorant du safran.
   Voy. polychroïsme.

Dictionnaire de la Langue Française d'Émile Littré. . 1872-1877.

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  • Polychroite — Pol y*chro*ite, n. [Poly + Gr. ? color: cf. F. polychro[ i]te.] (Chem.) The coloring matter of saffron; formerly so called because of the change of color on treatment with certain acids; called also {crocin}, and {safranin}. [1913 Webster] …   The Collaborative International Dictionary of English

  • polychroite — Crocin Cro cin (kr? s?n), n. [Gr. ???? saffron.] (Chem.) (a) The coloring matter of Chinese yellow pods, the fruit of {Gardenia grandiflora}. Watts. (b) A red powder (called also {polychroite}), which is made from the saffron ({Crocus sativus}).… …   The Collaborative International Dictionary of English

  • polychroite — noun The coloring matter of saffron; formerly so called because of the change of color on treatment with certain acids; called also crocin, and safranin …   Wiktionary

  • polychroite — …   Useful english dictionary

  • crocin — Polychroite Pol y*chro*ite, n. [Poly + Gr. ? color: cf. F. polychro[ i]te.] (Chem.) The coloring matter of saffron; formerly so called because of the change of color on treatment with certain acids; called also {crocin}, and {safranin}. [1913… …   The Collaborative International Dictionary of English

  • safranin — Polychroite Pol y*chro*ite, n. [Poly + Gr. ? color: cf. F. polychro[ i]te.] (Chem.) The coloring matter of saffron; formerly so called because of the change of color on treatment with certain acids; called also {crocin}, and {safranin}. [1913… …   The Collaborative International Dictionary of English

  • Crocin — Cro cin (kr? s?n), n. [Gr. ???? saffron.] (Chem.) (a) The coloring matter of Chinese yellow pods, the fruit of {Gardenia grandiflora}. Watts. (b) A red powder (called also {polychroite}), which is made from the saffron ({Crocus sativus}). See… …   The Collaborative International Dictionary of English

  • Crocus sativus — Crocin Cro cin (kr? s?n), n. [Gr. ???? saffron.] (Chem.) (a) The coloring matter of Chinese yellow pods, the fruit of {Gardenia grandiflora}. Watts. (b) A red powder (called also {polychroite}), which is made from the saffron ({Crocus sativus}).… …   The Collaborative International Dictionary of English

  • Gardenia grandiflora — Crocin Cro cin (kr? s?n), n. [Gr. ???? saffron.] (Chem.) (a) The coloring matter of Chinese yellow pods, the fruit of {Gardenia grandiflora}. Watts. (b) A red powder (called also {polychroite}), which is made from the saffron ({Crocus sativus}).… …   The Collaborative International Dictionary of English

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