variants: or ex-

Definition of exo-

1 : outside exogamy : outer exoskeleton — compare ect-, end-
2 : turning out exoergic

History and Etymology for exo-

Greek exō out, outside, from ex out of — more at ex-

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Cite this Entry

“Exo-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exo-. Accessed 14 May. 2021.

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