ˌakrəˈflāˌvēn, -_və̇n noun
Etymology: acri dine + flavine
: a yellow acridine dye C 14 H 14 N 3 Cl obtained by methylation of proflavine as red crystals or usually in admixture with proflavine as a deep orange powder and used often in the form of its reddish brown hydrochloride as an antiseptic especially for wounds — called also neutral acriflavine, trypaflavine