air pump

Definitions of air pump
  1. noun
    a pump that moves air in or out of something
    synonyms: vacuum pump
    see moresee less
    condensation pump, diffusion pump
    vacuum pump used to obtain a high vacuum
    inflater, inflator
    an air pump operated by hand to inflate something (as a tire)
    ion pump
    a vacuum pump that removes gas by ionizing the atoms or molecules and adsorbing them on a metal surface
    type of:
    a mechanical device that moves fluid or gas by pressure or suction
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