actuator
- Something that actuates something else.
- A usually electric device that causes a mechanical device (i.e., a mechanism) to be switched on or off. For example; an electric motor that opens and closes a valve.
- The mechanism that moves the head assembly on a disk drive.
- A relay that controls the flow of electricity.
Pronounced as (IPA)
/ˈæk.tjuː.eɪt.ə(ɹ)/
Etymology
From actuate + -or. First attested in 1652.
controlling element
operating portion
actuating mechanism
head actuator
actuating apparatus
execute component
action element
oil cylinder
electric solenoid
follow-up coil
adjusting instrument
speed setting controller
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