Erythrosin

noun

1. A coal-tar color of the xanthene type, the sodium or potassium salt of tetra-iodofluorescein. It dyes wool and silk bluish red or pink in a slightly acid bath. Also called erythrosin B, erythrosin D, eosin J, pyrosine B, and iodeosine B.
2. A red substance formed by the oxidation of tyrosin.
3. A red dyestuff obtained from fluoresceïn by the action of iodine.
4. A red substance formed by the oxidation of tyrosin.
5. A red dyestuff obtained from fluorescein by the action of iodine.