fluorescin
Flu`o*res"cin, n. (Chem.) Defn: A colorless, amorphous substance which is produced by the reduction of fluoresceïn, and from which the latter may be formed by oxidation.
Flu`o*res"cin, n. (Chem.) Defn: A colorless, amorphous substance which is produced by the reduction of fluoresceïn, and from which the latter may be formed by oxidation.