methicillin-resistant Staphylococcus aureus: a type of bacteria that antibiotics cannot kill and can make people very ill. It is often found in hospitals and is sometimes called a superbug. 耐甲氧西林金黃色葡萄球菌(一種抗生素無法消滅的細菌,常被發現於醫院,嚴重致病,有時被稱爲超級細菌) Synonyms and related words