proflavine
noun
pro·fla·vine
| \ (ˈ)prō-ˈflā-ˌvēn
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variants:
also proflavin \ -vən
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Medical Definition of proflavine
: a yellow crystalline mutagenic acridine dye C13H11N3
also
: the orange to brownish red hygroscopic crystalline sulfate used as an antiseptic especially for wounds — see acriflavine