phloxine

phlox·ine

noun \ˈfläk-ˌsēn, -sən\

Definition of PHLOXINE

: either of two acid dyes or their sodium salts that are derivatives of eosin and are used chiefly as biological stains and organic pigments: a : one containing two atoms of chlorine in each molecule—called also phloxine B b : one containing four atoms of chlorine in each molecule