prosthesis /prɑsˈθiːsəs/ noun plural prostheses /-ˌsiːz/ /prɑsˈθiːˌsiːz/ plural prostheses /-ˌsiːz/ /prɑsˈθiːˌsiːz/ Learner's definition of PROSTHESIS
[count] medical
: an artificial device that replaces a missing or injured part of the body假体;义肢 — prosthetic
/prɑsˈθɛtɪk/ adjective