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chitin

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈkaɪtɪn/US:USA pronunciation: respellingUSA pronunciation: respelling(kī′tin)

chi•tin (kī′tin),USA pronunciation n. [Biochem.]

Biochemistrya 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.

Greek chit(ó̄n) tunic, chiton + French -ine -in²
French chitine
1830–40

chi′tin•ous, adj. chi′tin•oid′, adj.

Collins Concise English Dictionary © HarperCollins Publishers::

chitin /ˈkaɪtɪn/ n

a polysaccharide that is the principal component of the exoskeletons of arthropods and of the bodies of fungi

Etymology: 19th Century: from French chitine, from Greek khitōn chiton + -inˈchitinous adj ˈchitinˌoid adj

'chitin' also found in these entries (note: many are not synonyms or translations):

arthropod - carapace - chitosan - cuticle - foregut - gizzard - glucosamine - hindgut - hyaline - sclerotin - sclerotized

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chitin