Definition of chitin
: a horny polysaccharide (C8H13NO5)n that forms part of the hard outer integument especially of insects, arachnids, and crustaceans
chitinousplay \ˈkī-tən-əs, ˈkīt-nəs\ adjective
Recent Examples of chitin from the Web
Urban and co-author Biswajit Ghosh, also of the University of Southern Mississippi, created the compound by mixing chitosan—a derivative of chitin, the main component of arthropod exoskeletons—
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Origin and Etymology of chitin
French chitine, from Greek chitōn
First Known Use: circa 1839
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