fluorescent dye

NOUN
15 LETTERS · STARTS WITH F

fluorescent dye is a valid 15-letter word worth 23 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
F4L1U1O1R1E1S1C3E1N1T1D2Y4E1
4 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 0 + 2 + 4 + 1 =23 PTS
DOUBLE WORD → 46TRIPLE WORD → 69
MEANING

What does fluorescent dye mean?

NOUN · 1 SENSE
1

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).