Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun fluorescein
1 sense of fluorescein
Sense 1
fluorescein, fluoresceine, fluorescent dye, resorcinolphthalein -- (a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed))
=> dye, dyestuff -- (a usually soluble substance for staining or coloring e.g. fabrics or hair)
=> absorption indicator -- (an indicator used in reactions that involve precipitation)