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Meaning of “suction” in the English Dictionary

"suction" in British English

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suctionnoun [U]

uk   /ˈsʌk.ʃən/  us   /ˈsʌk.ʃən/
the act of removing air from a space resulting in a lower pressure in that space, either causing liquid, gases, or other substances to enter, or causing two surfaces to stick together: a suction pump
(Definition of suction from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"suction" in American English

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suctionnoun [U]

 us   /ˈsʌk·ʃən/
the process of reducing air pressure by removing air or liquid from an enclosed space, or the force created by this reduction that causes two surfaces to stick together: Cylinder vacuum cleaners work entirely by suction.
(Definition of suction from the Cambridge Academic Content Dictionary © Cambridge University Press)
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