different between actuator vs propulsion

English

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Pronunciation

• (UK) IPA^(key): /?æk.tju?.e?t.?(?)/

Noun

actuator (plural actuators)

1. Something that actuates something else.

   The mind is the actuator of the body.

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. (computer hardware) The mechanism that moves the head assembly on a disk drive.
4. (electrical) A relay that controls the flow of electricity.

Translations

Anagrams

• autocrat

Latin

Verb

?ctu?tor

1. second-person singular future passive imperative of ?ctu?
2. third-person singular future passive imperative of ?ctu?

English

Etymology

Borrowed from Medieval Latin propulsio, propulsionis, from the past participle of Latin propello (“to drive forward, drive forth, drive away, drive out”).

Pronunciation

• IPA^(key): /p???p?l??n/

Noun

propulsion (countable and uncountable, plural propulsions)

1. The action of driving or pushing, typically forward or onward; a propulsive force or impulse.

Related terms

• propel

Translations

Further reading

• propulsion on Wikipedia.Wikipedia

French

Etymology

Borrowed from Medieval Latin propulsio, propulsionem, from Latin propulsus.

Pronunciation

• IPA^(key): /p??.pyl.sj??/

Noun

propulsion f (plural propulsions)

1. propulsion

Related terms

• propulser
• propulsif

Further reading

• “propulsion” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).