eliminator

Eliminator is a noun derived from eliminate, used to describe something that causes removal or disposal, as well as a person or device that eliminates. The term is applied across several domains, sometimes as a formal label, other times as a descriptive nickname.

In engineering and industry, an eliminator refers to a device or process that removes unwanted elements from a system. Examples include components that separate or remove air, moisture, contaminants, or byproducts in piping, fluids, or chemical processes. The specific design depends on the intended substance and environment.

In sports and competition, an eliminator denotes a round or match in which competitors are eliminated from further participation. Elimination rounds are common in knockout tournaments, leagues with playoffs, and racing formats where only advancing participants continue.

In culture and media, Eliminator has appeared as a title and as a nickname. The term is notably the title of ZZ Top's 1983 album Eliminator, a work associated with a car-themed aesthetic and popular music videos of the era. It has also been used for fictional characters and for individuals recognized for decisive, finishing performances.

The usage is largely figurative, drawing on the core meaning of removal or decisive conclusion.