vacuum pump(n = noun.artifact) air pump - a pump that moves air in or out of something;
is a kind of pump
has particulars: condensation pump, diffusion pump, inflater, inflator, ion pump

air pump, auxiliary pump, bicycle pump, bilge pump, centrifugal pump, chain pump, condensation pump, diffusion pump, donkey pump, force pump, gas pump, gasoline pump, hand pump, heat pump, hydraulic pump, ion pump, lift pump, oil pump, pump, pump action, pump house, pump priming, pump room, pump well, spectator pump, sprengel pump, stirrup pump, stomach pump, suction pump, sump pump, thermionic vacuum tube, vacuum, vacuum aspiration, vacuum bag, vacuum bomb, vacuum bottle, vacuum chamber, vacuum cleaner, vacuum flask, vacuum gage, vacuum gauge, vacuum tube, water pump