safranin

3 definitions found

safranin - Collaborative International Dictionary of English v.0.48 :

  Safranin \Saf"ra*nin\, n. (Chem.)
     (a) An orange-red dyestuff extracted from the saffron. [R.]
     (b) A red dyestuff extracted from the safflower, and formerly
         used in dyeing wool, silk, and cotton pink and scarlet;
         -- called also Spanish red, China lake, and
         carthamin.
     (c) An orange-red dyestuff prepared from certain nitro
         compounds of creosol, and used as a substitute for the
         safflower dye.
         [1913 Webster]

  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]

safranin - WordNet (r) 2.1 (2005) :

  safranin
      n 1: any of a class of chiefly red organic dyes [syn:
           safranine, safranin, saffranine]