drop valve

  1. a valve, as for a steam engine, that drops freely to close.

Words Nearby drop valve

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use drop valve in a sentence

  • The drop valve is now displacing the slide valve as a better form of excluding or admitting steam.

    James Watt | Andrew Carnegie