FLUORESCEINS
Scrabble letter values: F4L1U1O1R1E1S1C3E1I1N1S1 = 17
Definition
FLUORESCEINS is the plural of FLUORESCEIN.
noun FLUORESCEIN: a yellow dye that is visible even when highly diluted.
Synonyms of FLUORESCEIN: fluoresceine, fluorescent_dye, resorcinolphthalein