Polychroite
Pronunciation : Pol"y*chro*ite
Part of Speech : n.
Etymology : [Poly- + Gr. polychro?te.] (Chem.)
Definition : Defn: The coloring matter of saffron; -- formerly so called because of the change of color on treatment with certain acids; -- called also crocin, and safranin.
Source : Webster's Unabridged Dictionary, 1913