Sterilizer (noun)

1. A device or apparatus used to eliminate bacteria or other microorganisms from surfaces or instruments by using heat, chemicals, or radiation.
2. An agent that eliminates or neutralizes the ability of an organism or substance to reproduce or generate offspring.

Origin:

From the latin sterilis, meaning barren or infertile.

Examples:

1. The hospital uses a steam sterilizer to clean all of its surgical instruments.
2. She kept a bottle of sterilizer in the kitchen to ensure all the baby's bottles were safe to use.
3. The dentist used a UV sterilizer to sterilize his tools before the procedure.
4. The scientist used a chemical sterilizer to eliminate all bacteria from the petri dish before conducting the experiment.
5. The nurse put on gloves and a gown before entering the room with the sterilizer.