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Is FLUORESCEINS a valid Scrabble word?

Yes, FLUORESCEINS is a valid word in US Scrabble and UK Scrabble, worth 17 points.

Base score before bonus squares; blank tiles score zero.

What does FLUORESCEINS mean?

Fluoresceins is a form of FLUORESCEIN.

  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

17

Scrabble

21

Words With Friends

12

Letters

F (4) + L (1) + U (1) + O (1) + R (1) + E (1) + S (1) + C (3) + E (1) + I (1) + N (1) + S (1) = 17 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 FLUORESCEINS

FLUORESCEINS has no one-letter front or back hooks in US Scrabble. Adding a single letter to either end does not make another word in that list.

Front hooks0

None — nothing can be added to the front.

Back hooks0

None — nothing can be added to the end.

Words you can make from FLUORESCEINS

The 60 highest-scoring words using these letters.

Study FLUORESCEINS and related words

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