Meaning of “suction” in the English Dictionary

british dictionary

"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)