Contactor

//ˈkɑntæktɚ// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A relay used to control an electrical power circuit

    "Compressed air is used for the operation of certain contactors, the sanders, the horn, and the re-fuelling equipment, but vacuum brakes are fitted to the locomotive."

Example

More examples

"Compressed air is used for the operation of certain contactors, the sanders, the horn, and the re-fuelling equipment, but vacuum brakes are fitted to the locomotive."

Etymology

From contact + -or.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.