Safranin

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From WordNet (r) 2.0 [wn]:

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