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O-ring

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FromO +‎ring.

O-ring (pluralO-rings)

1. Acirculargasket, usually made ofrubber.
   • 1986 June 6,Richard Feynman, “Personal observations on the reliability of the Shuttle”, in Presidential Commission on the Space Shuttle Challenger Accident,Report to the President:

     TheO-rings of the Solid Rocket Boosters were not designed to erode.

2. (fashion) A small metal ring used to connect twostraps.

• Gorin,Ringo,giron,groin

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