Definition of pop valve
:a safety valve designed to open when the pressure of a fluid exceeds the force exerted by the spring that normally keeps the valve closed
What's Trending Now
More Trending Words
pop valve
noun
Read the Latest from M-W
There's more!
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of pop valve
Seen and Heard
What made you want to look up pop valve? Please tell us where you read or heard it (including the quote, if possible).
