exoskeleton
Word family adjectiveexobiologicalexocrineexocytoticexodermalexoergicexogamicexogeneticexogenousexophagousexopoditicexoskeletalexosphericexosporalexosporousexothermalexotoxicnounexobiologistexobiologyexocarpexocytosisexodermexodermisexoenzymeexogamyexogenexonucleaseexonymexophagyexoplanetexoplasmexopoditeexoskeletonexosphereexosporeexothermicityexotoxinadverbexogenouslyexothermally
ex·o·skel·e·ton /ˈeksəʊˌskelətən $ -soʊ-/ noun [countableC] technical