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English definition of “exoskeleton”

exoskeleton

noun [C]     /ˌek.səʊˈskel.ɪ.tən/ US  /ˌek.soʊˈskel.ət̬ən/ specialized
a hard outer layer that covers, supports, and protects the body of an invertebrate animal such as an insect or crustacean → Compare endoskeletonBone structures
(Definition of exoskeleton noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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