suction
/ˈsʌkʃən/ noun, verb
Forms suctions suctioning suctioned
- noun (physics) 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.
- noun (physics) A force holding two objects together because the pressure in the space between the items is lower than the pressure outside that space.
- noun The process of creating an imbalance in pressure to draw matter from one place to another.
- noun (dentistry) A device for removing saliva from a patient's mouth during dental operations, a saliva ejector.
- noun (informal) influence; "pull".
- verb To create an imbalance in pressure between one space and another in order to draw matter between the spaces.
- verb To draw out the contents of a space.
Synonyms
Antonyms
Etymology
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.
Webster’s 1913
- noun The act or process of sucking; the act of drawing, as fluids, by exhausting the air. Suction chamber, the chamber of a pump into which the suction pipe delivers.
Etymology [L. sugere, suctum, to suck; cf. OF. suction. See Suck, v. t.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “suction”, CC BY-SA 4.0. Details