valve pilot

noun

Definition of valve pilot

: a device used on a steam locomotive to inform the engineman by visual indication on a dial the proper percentage of cutoff to use in admitting steam to the cylinders

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Learn More About valve pilot

Dictionary Entries Near valve pilot

valve of Vieussens

valve pilot

valve ring

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Cite this Entry

“Valve pilot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/valve%20pilot. Accessed 25 Jun. 2022.

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