Definition of fluorindine in US English:

fluorindine

noun

Chemistry
  • Any of a class of heteroaromatic compounds derived from indulines, many of which show a red fluorescence in solution and have been used as dyes.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From German Fluorindin from fluor-, variant (before vowels) of fluoro- + ind- (in Indulin) + -in; so called on account of their fluorescence and their preparation from indulines.