phloxine

noun1

1. •
   A red dye used in the hematoxylin-phloxine-saffron stain ("HPS stain"), commonly employed in performing an eosinophil count by hemocytometer.

   • Eosin Y, eosin B, phloxine and erythrosin (which unlike other eosins, is halogenated with iodine), are the common members of this group of dyes. — 2000