contactor

[ kon-tak-ter, kuhn-tak-ter ]

noun

, Electricity.

1. a mechanically operated switch for continuously establishing and interrupting an electric power circuit.

contactor

/ kɒnˈtæktə /

noun

1. a type of switch for repeatedly opening and closing an electric circuit. Its operation can be mechanical, electromagnetic, or pneumatic

Word History and Origins

Origin of contactor¹

First recorded in 1905–10; contact + -or ²