Meaning of “chitin” in the English Dictionary


"chitin" in English

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chitinnoun [ U ]

uk /ˈkaɪ.tɪn/ us /ˈkaɪ.tən/ specialized

Examples from literature

  • Chitin, a white horny substance found in the exoskeleton of several invertebrate animals. 
  • It would be soft but for the chitin, as the horny substance is called. 
  • The whole outer shell of the insect is made of the horny chitin. 
  • There is no chitin in the skin between the segments. 
  • They are worked by powerful muscles, and are supported, like a fan, by ribs of chitin, which may be accompanied by air-tubes, blood-channels, and nerves. 

(Definition of “chitin” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"chitin" in American English

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chitinnoun [ U ]


biology a strong substance in the outer covering of insects and animals such as lobsters, and in the cell walls of some fungi

(Definition of “chitin” from the Cambridge Academic Content Dictionary © Cambridge University Press)