exo-, ex-

(Greek: outer, outside, external; used as a prefix)

exostectomy, exostosectomy
Removal of an exostosis (a non cancerous growth on the surface of a bone).
exostosis
exotherm
A temperature-time curve of the amount of heat produced in a chemical reaction.
exothermic
Relating to or describing any process in which a system releases heat to its surrounding environment.
exotoxin
exotoxins
exotropia
exotropic