Definition of chitin

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  • chitin is a valid Scrabble US word with a point value of 11
  • chitin is a valid Scrabble UK word with a point value of 11
  • chitin is a valid Words with friends word with a point value of 12

Definition of chitin

  • a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi (noun)

See definition of chitin in Merriam Webster