SINCE 1828
pop valve
nounDefinition 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
Keep scrolling for more
Comments on pop valve
What made you want to look up pop valve? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Original Meanings Quiz
-
- Which of the following is the earliest known sense of the word awe?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Original Meanings Quiz
A quiz for the pedantic and those annoyed by them!
Take the quiz -
A Green Quiz
How many questions can you answer about the word "green"?
Take the quiz -
Name That Thing
Test your visual vocabulary with our 10-question challenge!
Take the quiz -
Add Diction
Build a chain of words by adding one letter at a time.
Play the game
Share pop valve
Resources for pop valve