C c


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [kahy-tin]
    • /ˈkaɪ tɪn/
    • /ˈkaɪ.tɪn/
    • US Pronunciation
    • US IPA
    • [kahy-tin]
    • /ˈkaɪ tɪn/

Definitions of chitin word

  • noun chitin a polysaccharide that is the principal component of the exoskeletons of arthropods and of the bodies of fungi 3
  • noun chitin a tough, horny polysaccharide, (C8H13NO5)n, secreted by the epidermis and forming the main bulk of the outer covering of insects, crustaceans, etc. 3
  • noun chitin 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. 1
  • noun chitin A fibrous substance consisting of polysaccharides and forming the major constituent in the exoskeleton of arthropods and the cell walls of fungi. 1
  • noun chitin hard shiny substance of beetles' shells, etc. 1
  • noun chitin (biochemistry) A complex polysaccharide, a polymer of N-acetylglucosamine, found in the exoskeletons of arthropods and in the cell walls of fungi; thought to be responsible for some forms of asthma in humans. 0

Information block about the term

Origin of chitin

First appearance:

before 1830
One of the 36% newest English words
1830-40; < French chitine < Greek chit(ṓn) tunic, chiton + French -ine -in2

Historical Comparancy

Parts of speech for Chitin


chitin popularity

A common word. It’s meaning is known to most children of preschool age. About 91% of English native speakers know the meaning and use the word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

chitin usage trend in Literature

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Top questions with chitin

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See also

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