O-ring

noun \ ˈō-ˌriŋ \

Definition of O-ring

: a ring (as of synthetic rubber) used as a gasket

First Known Use of o-ring

1946


Learn More about o-ring


Seen and Heard

What made you want to look up O-ring? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to provide what is needed to exist

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!