Eliminator (noun)

1. A person or thing that eliminates or gets rid of something.
2. A device or machine that is used to remove or get rid of something.

Origin:

From the verb "eliminate" meaning to remove or get rid of something.

Examples:

1. The eliminator was designed to remove the weeds from the garden.
2. The team"s star player was the eliminator of the opposing team"s chances at victory.
3. The new air filter is an eliminator of dust and allergens.
4. A bug eliminator is a device or spray that is used to get rid of bugs.
5. A noise eliminator is a device that reduces or eliminates unwanted noise.