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actuator

/ˈæk.t͡ʃu.eɪ.tɚ/noun

actuator is spelled A-C-T-U-A-T-O-R: 8 letters and 4 syllables. It appears about once in every 2 million words in written English, the 38,416th most frequent word form (wordfreq, 2021 data). As a noun, actuator means “Something that actuates something else” (English Wiktionary, September 2026). The plural of actuator is actuators.

How many letters and syllables are in actuator?

Letters8: A-C-T-U-A-T-O-R
Syllables4 (from its American pronunciation)
In writingabout once in every 2 million words; the 38,416th most frequent word form
Wrong spellings searchednone measured in search
Same letters

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.

How common is actuator?

Actuator appears about once in every 2 million words in written English, the 38,416th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce actuator?

  • UK /ˈæk.tjuː.eɪ.tə(ɹ)/
  • UK /ˈæk.t͡ʃu.eɪ.tə(ɹ)/
  • US /ˈæk.t͡ʃu.eɪ.tɚ/

Actuator has 4 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What rhymes with actuator?

No other word on PlainSpell ends in the same sounds as actuator (/æktʃueɪtəɹ/).

Spelled with the same letters in another order: autocrat.

Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).

Forms of actuator

  • actuators plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does actuator mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    Something that actuates something else.

    The mind is the actuator of the body.

  2. 2

    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.

  3. 3

    The mechanism that moves the head assembly on a disk drive.

  4. 4

    A relay that controls the flow of electricity.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Actuator in Spanish, French, German and Portuguese

LanguageWords
Frenchactionneur (something that actuates something else)
GermanAktor, Aktuator (something that actuates something else)
Portugueseatuador (the mechanism that moves the head assembly on a…)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

What to look up after actuator