• Actuator

    Pronunciation

    • UK IPA: /ˈæk.tjuː.eɪt.É™(ɹ)/

    Noun

    actuator

    (plural actuators)
    1. Something that actuates something else, especially a mechanism that causes a device to be switched on or off
      • The mind is the actuator of the body
    2. (computing) The mechanism that moves the head assembly on a disk drive
    3. (electrical) A relay that controls the flow of electricity

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