O-ring Hear it!

O-ring definition

O-ring (ō′riŋ′)

noun

a ring-shaped seal or washer of rubber, plastic, metal, etc., used to prevent leaks in parts connecting pipes, tubes, rocket sections, etc.

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.