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suction

 
Noun suction has 2 senses
  1. suction - a force over an area produced by a pressure difference
    --1 is a kind of
    pressure, pressure level, force per unit area
    Derived forms: verb suction1, verb suction2
  2. sucking, suck, suction - the act of sucking
    --2 is a kind of consumption, ingestion, intake, uptake
    Derived forms: verb suction1, verb suction2, verb suck3, verb suck2, verb suck1
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