actuator

English

Etymology

From actuate +‎ -or. First attested in 1652.

Pronunciation

(UK) IPA^(key): /ˈæk.tjuː.eɪt.ə(ɹ)/

Noun

actuator (plural actuators)

Something that actuates something else.
The mind is the actuator of the body.
- 1652, Anthony Burgesse, Spiritual Refining: or a Treatise of Grace and Assurance, Section V, Sermon XLIII, page 264:
  […] and God is the Author and Actuator of nature, as well as of grace; […]
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.
(computer hardware) The mechanism that moves the head assembly on a disk drive.
(electrical) A relay that controls the flow of electricity.

Derived terms

Translations

something that actuates something else

Finnish: liikuttaja, kannustaja (fi)

device that causes a mechanical device to be switched on or off

Finnish: toimilaite, käyttölaite

the mechanism that moves the head assembly on a disk drive

Finnish: toimilaite, aktuaattori
Icelandic: armstjóri m
Portuguese: atuador m

a relay that controls the flow of electricity

Finnish: aktuaattori
Italian: attuatore (it) m, ripetitore (it) m

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

Chinese: ^{(please verify)} 致动器 (zhì dòng qì)
Estonian: ^{(please verify)} vahelüliti
Italian: ^{(please verify)} attuatore (it) m
Portuguese: ^{(please verify)} atuador m
Spanish: ^{(please verify)} activador (es) m

Anagrams

autocrat

Latin

Verb

āctuātor

second/third-person singular future passive imperative of āctuō

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