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WordReference Random House Learner's Dictionary of American English © 2024suc•tion /ˈsʌkʃən/USA pronunciation n. [uncountable]- Hydraulicsthe force that, owing to pressure differences, attracts a fluid or solid to where the pressure is lowest.
v. [~ (+ up ) + object] - Medicineto draw out or remove by sucking, esp. by artificial means.
WordReference Random House Unabridged Dictionary of American English © 2024suc•tion (suk′shən),USA pronunciation n. - the act, process, or condition of sucking.
- Hydraulics, Physicsthe force that, by a pressure differential, attracts a substance or object to the region of lower pressure.
- Hydraulics, Physicsthe act or process of producing such a force.
v.t. - Medicineto draw out or remove by aspiration.
- Late Latin sūctiōn- (stem of sūctiō) a sucking, equivalent. to Latin sūct(us) (past participle of sūgere to suck) + -iōn- -ion
- 1605–15
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