chitin: Meaning and Definition of

chi•tin

Pronunciation: (kī'tin), [key]
— n. Biochem.
  1. a nitrogen-containing polysaccharide, related chemically to cellulose, that forms a semitransparent horny substance and is a principal constituent of the exoskeleton, or outer covering, of insects, crustaceans, and arachnids.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
chitchat chitlings
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