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


Log in or sign up to get involved in the conversation. It's quick and easy.