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Is FLUORESCEIN a valid Scrabble word?

Yes, FLUORESCEIN is a valid word in US Scrabble and UK Scrabble, worth 16 points.

Base score before bonus squares; blank tiles score zero.

What does FLUORESCEIN mean?

  1. noun

    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)

Definitions from WordNet 3.1, Princeton University.

Points

16

Scrabble

20

Words With Friends

11

Letters

F (4) + L (1) + U (1) + O (1) + R (1) + E (1) + S (1) + C (3) + E (1) + I (1) + N (1) = 16 points in Scrabble.

Dictionary status

  • Scrabble (US & Canada)Valid
  • Scrabble (UK & worldwide)Valid
  • Words With FriendsListed

Scrabble lists: NWL2023 (US & Canada) and CSW24 (UK & worldwide). WWF uses our ENABLE reference plus verified additions. “Listed” and “Not listed” describe that reference; check acceptance in the game. Sources reviewed 2026-10-03.

Hooks for FLUORESCEIN

Single letters that turn FLUORESCEIN into another valid word in US Scrabble. Hooks let you extend a word already on the board.

Front hooks0

None — nothing can be added to the front.

Back hooks1

Words you can make from FLUORESCEIN

The 60 highest-scoring words using these letters.

Study FLUORESCEIN and related words

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