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vacuum gauge
(physics) An instrument that is used to measure very low pressures of gases.
vacuum aspiration
(medicine) A method of inducing abortion, during the first trimester of pregnancy, in which the embryo and placenta are drawn off through a narrow tube.
bee vacuum
(beekeeping) A suction device somewhat like a vacuum cleaner, used to capture swarms of bees.
vacuum pans
plural of vacuum pan
vacuum pan
A vessel for boiling saccharine juices in a partial vacuum in sugar-making.
vacuum brake
(rail transport) A brake used on trains, working on the principle of keeping up a vacuum in a continuous pipe or pipes extending under the train, and in brake-cylinders connected to them under each vehicle, the air being sucked out by ejectors or pumps on the locomotive.
bee vacuums
plural of bee vacuum
vacuum brakes
plural of vacuum brake
Torricellian vacuum
vacuum-cleans
Third-person singular simple present indicative form of vacuum-clean