polychroite

2 definitions found

polychroite - Collaborative International Dictionary of English v.0.48 :

  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]

  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 Polychroite.
         [1913 Webster]