Definition of piston ring in English:

Share this entry

piston ring

noun

A ring on a piston sealing the gap between the piston and the cylinder wall.
Example sentences
  • Random leak testing is also recommended because any cylinder leakage indicates a bent valve or a faulty piston ring.
  • The downside is that tiny amounts of oil can force their way up past the piston ring into the combustion chamber.
  • Something was broken and Bill and I suspected he'd blown a piston ring.

For editors and proofreaders

Line breaks: pis¦ton ring

Share this entry
 

What do you find interesting about this word or phrase?

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