fluorescein fluorescein


  • (n) 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)


  1. He proved this by dumping 60 kilograms of a powerful green dye called fluorescein into the Trou du Toro.
  2. This serum is tagged with fluorescein, a luminous substance.

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engender engender
/ɛn ˈdʒɛn dər /