消毒 (xiāo dú): để khử trùng

The hospital mandates that all surgical instruments must undergo high-temperature disinfection before use to prevent patient infections.

Mom carefully disinfected the baby's bottle with boiling water to ensure it was clean and hygienic when drinking milk.

During flu season, the school disinfects classroom desks, chairs, and door handles daily to reduce virus transmission.

In the laboratory, researchers disinfect the inoculation loop with an alcohol lamp before performing bacterial culture operations.