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exocarp
exocrine
exocrine gland
exocyclic
exocytosis
Exod.
exodontics
Exodus
exodus
exoenzyme
exoergic
exogamy
exogenous
exon
exonerate
exonuclease
exophoria
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exoskeleton
ex·o·skel·e·ton [ èksō skéllət'n ] (plural ex·o·skel·e·tons)


noun 
Definition:
 
hard protective covering of an organism: a hard covering on the outside of organisms such as crustaceans, insects, turtles, and armadillos that provides support and protection

ex·o·skel·e·tal adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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