sterilization

noun sterilization

• antisepsis — destruction of undesirable microorganisms, such as those that cause disease or putrefaction
• castration — to remove the testes of; emasculate; geld.
• cleaning — the act of removing dirt or something undesirable
• disinfection — to cleanse (rooms, wounds, clothing, etc.) of infection; destroy disease germs in.
• mutilation — to injure, disfigure, or make imperfect by removing or irreparably damaging parts: Vandals mutilated the painting.