Exoskeleton | Define Exoskeleton at Dictionary.com
exoskeleton ex·o·skel·e·ton (ěk'sō-skěl'ĭ-tn) n. All hard parts, such as hair, teeth, and nails, that develop from the ectoderm or mesoderm in vertebrates. A hard outer structure, such as the shell of an insect, that provides protection or support for an ...
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