Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

valve

 
 
/vælv/ noun [C]

Definition

something that opens and closes to control the flow of liquid or gas
(Definition of valve noun from the Cambridge Learner's Dictionary © Cambridge University Press)

“valve” in other dictionaries

Word of the Day

rain on sb's parade

to do something that spoils someone's plans

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More