prosthesis
nounNAmE//prɑsˈθisəs//
(pl. prostheses NAmE//prɑsˈθisiz//
) (medical)NAmE//prɑsˈθɛt̮ɪk//
adjective a prosthetic armSee prosthesis in the Oxford Advanced Learner's DictionaryCheck pronunciation: prosthesis
Definition of prosthesis noun from the Oxford Advanced American Dictionary