1. to clean and treat something with a disinfectant to eliminate bacteria, viruses, or other microorganisms
The nurse will disinfect the wound before bandaging it.
A enfermeira vai desinfetar a ferida antes de enfaixá-la.
2. to sanitize a surface or object to remove harmful pathogens
We need to disinfect the kitchen counters every day.
Precisamos desinfetar os balcões da cozinha todos os dias.