suction

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suction

  • /ˈsʌkʃən/

Rhymes with -ʌkʃən

Where it comes from

From Latin sūctiō, sūctiōnem (whence -ion), attested since Late Latin and derived from sūctus, past participle of sūgō (“to suck”). Attested in English since the early 17th century.

noun suctions

  1. uncountable, usually A force which pushes matter from one space into another because the pressure inside the second space is lower than the pressure in the first.

    Similar: aspiration

  2. uncountable, usually A force holding two objects together because the pressure in the space between the items is lower than the pressure outside that space.
  3. uncountable, usually The process of creating an imbalance in pressure to draw matter from one place to another. The first-named group — the insects that live by suction — include the scale insects, aphides, and sucking bugs[…]
  4. uncountable, usually A device for removing saliva from a patient's mouth during dental operations, a saliva ejector.
  5. informal, uncountable, usually influence; "pull". He's got some kind of suction with the Mayor's office.

verb suctions · suctioning · suctioned

  1. To create an imbalance in pressure between one space and another in order to draw matter between the spaces.
  2. To draw out the contents of a space.

Opposite: unsuction

Thesaurus

Closest in meaning: suck, sucking, evaporator, impeller, fan, intake, irrigator, vacuuming, aim, ensign, ventilator, midshipman, fume, extraction, blower, cleaning

verb

Opposite: unsuction

Translations

Every language

noun the process of creating an imbalance in pressure to draw matter from one place to another

Españolsucción
Portuguêssucção
Françaissuccion
DeutschSaugwirkung
Italianoaspirazione
Ελληνικάαναρρόφηση anarrófisi, αναρροφητικός anarrofitikós
Русскийвса́сывание vsásyvanije, соса́ние sosánije

verb process

Españolsuccionar, chupar
Portuguêssugar
Françaissucer
Deutschlutschen
Italianosucchiare

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Cite this
MLA

"suction." Wiktionary, via Micwyn, micwyn.com/word/suction. Accessed 6 Nov. 2026.

APA

suction. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/suction

Chicago

"suction." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/suction.

BibTeX
@misc{suction_2026,
  title = {suction},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/suction},
  urldate = {2026-11-06}
}