chitin Meaning in the Cambridge English Dictionary
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Meaning of “chitin” in the English Dictionary

"chitin" in British English

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chitinnoun [U]

uk   /ˈkaɪ.tɪn/  us   /-tən/ specialized
a hard ​substance in the ​outershell of ​insects and ​animals such as shrimp and lobster, and in the ​cellwalls of some fungi
(Definition of chitin from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"chitin" in American English

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chitinnoun [U]

 /ˈkɑɪ·tən/
biology a ​strongsubstance in the ​outercovering of ​insects and ​animals such as lobsters , and in the ​cellwalls of some fungi
(Definition of chitin from the Cambridge Academic Content Dictionary © Cambridge University Press)
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