throttle valve

noun

Definition of throttle valve

  1. :  a valve designed to regulate the supply of a fluid (as steam or gas and air) to an engine and operated by a handwheel, a lever, or automatically by a governor; especially :  the valve in an internal-combustion engine incorporated in or just outside the carburetor and controlling the volume of vaporized fuel charge delivered to the cylinders

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Origin and Etymology of throttle valve

1throttle + valve


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