dump valve

noun

: a large emergency valve at the bottom of a container (as an airplane fuel tank) by which it may be emptied much more quickly than by the ordinary drain cock (as in emergency jettisoning of fuel)

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Dictionary Entries Near dump valve

Cite this Entry

“Dump valve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dump%20valve. Accessed 31 Oct. 2024.

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