Share this entry

Share this page

non-return

Line breaks: non-return
Pronunciation: /ˈnɒnrɪtəːn
 
/

Definition of non-return in English:

adjective

Permitting the flow of air or liquid in one direction only: a non-return valve
More example sentences
  • If it is taking in air it means that the non-return valve is leaking and needs to be replaced.
  • Self-sealing crashworthy fuel tanks have explosion suppression and non-return valves.
  • A non-return flap is usually fitted to prevent cold air coming in.

Definition of non-return in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day terpsichorean
Pronunciation: ˌtəːpsɪkəˈriːən
adjective
relating to dancing