herniated disc
noun [ C ] mainly UK (US usually herniated disk) uk/ˌhɜː.ni.eɪ.tɪd ˈdɪsk/ us/ˌhɝːni.eɪ.t̬ɪd ˈdɪsk/
椎间盘脱出
a condition in which one of the discs between the bones in the spine (= backbone) moves out of its normal position and presses on a nerve, causing pain