pros·the·sis 
/prɑsˈθi:səs/ noun
plural pros·the·ses /prɑsˈθi:səs/ noun /-ˌsi:z/ [count] medical : an artificial device that replaces a missing or injured part of the body
▪ She was fitted with a prosthesis to replace her missing leg. ▪ a dental/optical prosthesis
▪ She was fitted with a prosthesis to replace her missing leg. ▪ a dental/optical prosthesis
— pros·thet·ic /prɑsˈθɛtɪk/ adjective
▪ She wears a prosthetic leg.
/prɑsˈθɛtɪk/ adjective ▪ She wears a prosthetic leg.
