Separator (noun)

A device or substance that separates one thing from another, such as separating different components of a mixture, or dividing a space or area.

Origin:

From latin separator, agent noun from separare ("to separate").

Examples:

1. The separator in the oil refinery separates the crude oil into different components.
2. The separator in the centrifuge separates the heavier particles from the lighter ones.
3. The room divider, also called a separator, is used to separate a room into two or more parts.
4. A separator is a device that separates the different fluids that make up the mixture.
5. The separator is a tool that separates the yolk and the white of an egg.