defensive medicineBrE /dɪˌfensɪv ˈmedsn/ 🔊, /dɪˌfensɪv ˈmedɪsn/ 🔊NAmE /dɪˌfensɪv ˈmedɪsn/ 🔊 noun [uncountable] (especially
NAmE) medical treatment that involves more tests, operations, etc. than a person really needs because a doctor is worried that a claim or complaint may be made against them in court if they make a mistake in the treatment they give 防御性医疗，自卫性医疗（医生担心因误诊被起诉而让病人做过多的化验、手术等）