Fluorescin

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Fluorescin \Flu`o*res"cin\, n. (Chem.)
     A colorless, amorphous substance which is produced by the
     reduction of fluoresce["i]n, and from which the latter may be
     formed by oxidation.
     [1913 Webster]