methicillin
/ˌmɛθəˈsɪlɪn/
noun
- A type of antibiotic medicine that was used to treat infections caused by bacteria, especially staph infections.
- Before stronger antibiotics were developed, methicillin was a common treatment for bacterial infections.
- The doctor prescribed methicillin for the patient's serious skin infection.
- Many hospitals stopped using methicillin because some bacteria became resistant to it.