fluorescent dye
Word Rarity
Rare
Frequency: Zipf frequency 3.24 in modern English
23
Scrabble Score
14
Letters
5
Syllables
12
Unique Chars
Meaning
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)