Definition of suction noun from the Oxford Advanced American Dictionary

 

suction

 noun
noun
NAmE//ˈsʌkʃn//
 
[uncountable]
 
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the process of removing air or liquid from a space or container so that something else can be sucked into it, or so that two surfaces can stick together Vacuum cleaners work by suction. a suction cup/pump/pad
suctionverbsuction something(technology)
 
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