from The Century Dictionary and Cyclopedia

  • n. Any valve, opening from without inward, through which a fluid may pass into a vessel; specifically, in motors, a valve through which motor fluid enters a cylinder.


Sorry, no etymologies found.


  • One of these magnets closes an exhaust-valve, and the other opens an inlet-valve, in the compressed air tank.

    Around the World in Ten Days

  • In it are three round openings filled with the thickest plate-glass and protected by brass bars or guards; also an outlet-valve to allow the foul air to escape; a short metal tube with an inlet-valve, to which the air-pump is screwed; and a regulating cock for getting rid of excess of air.

    Under the Waves Diving in Deep Waters

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