Chitin Definition

kītn
noun
A tough, horny polysaccharide, (C8H13NO5)n, secreted by the epidermis and forming the main bulk of the outer covering of insects, crustaceans, etc.
Webster's New World
A nitrogen-containing polysaccharide that is a tough, protective, semitransparent substance and is the principal component of arthropod exoskeletons and the cell walls of certain fungi.
American Heritage

Origin of Chitin

  • French chitine New Latin chitōn mollusk (from Greek khitōn chiton chiton) –ine

    From American Heritage Dictionary of the English Language, 5th Edition

  • French chitine New Latin chitōn mollusk (from Greek khitōn chiton chiton) –ine

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French chitine, from Latin chitōn (“mollusk”). See also chiton.

    From Wiktionary

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