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单词 suction
释义

WordReference Random House Learner's Dictionary of American English © 2024
suc•tion /ˈsʌkʃən/USA pronunciation   n. [uncountable]
  1. Hydraulicsthe force that, owing to pressure differences, attracts a fluid or solid to where the pressure is lowest.

v. [~ (+ up ) + object]
  1. Medicineto draw out or remove by sucking, esp. by artificial means.

WordReference Random House Unabridged Dictionary of American English © 2024
suc•tion  (suk′shən),USA pronunciation n. 
  1. the act, process, or condition of sucking.
  2. Hydraulics, Physicsthe force that, by a pressure differential, attracts a substance or object to the region of lower pressure.
  3. Hydraulics, Physicsthe act or process of producing such a force.

v.t. 
  1. 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
suc′tion•al, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
suction /ˈsʌkʃən/ n
  1. the act or process of sucking
  2. the force or condition produced by a pressure difference, as the force holding a suction cap onto a surface
  3. the act or process of producing such a force or condition
Etymology: 17th Century: from Late Latin suctiō a sucking, from Latin sūgere to suck

ˈsuctional adj
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更新时间：2025/2/23 6:28:58