人じん工こう関かん節せつじんこうかんせつMeanings1nounartificial jointMedical term for a prosthetic joint, such as a hip or knee replacement.彼かれは膝ひざの人じん工こう関かん節せつ置ち換かん手しゅ術じゅつを受うけた。He underwent knee replacement surgery.