Lysine
6 lettersnounmoderateUpdated June 2026
Definition
An essential amino acid present in many proteins, including gelatin and casein, and required for human nutrition.
“Athletes sometimes take lysine supplements to support muscle recovery after training.”
Pronunciation
Syllables
ly·sine
Word Game Tips
Wordle
Three vowels (I, E, and Y acting as vowel), no repeated letters, making it a strong information-gathering guess
Scrabble
Worth 9 points, uncommon outside science contexts but fully valid in competitive play
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