sterilize
US /ˈster.ə.laɪz/
UK /ˈster.ə.laɪz/

1.
make (something) free from bacteria or other living microorganisms.
:
•
Nurses must sterilize their instruments before surgery.
•
Boiling water can help to sterilize baby bottles.
make (something) free from bacteria or other living microorganisms.