ALL meanings of o-ring
o-ring
O o - noun o-ring thin ring-shaped seal 1
- noun o-ring a ring of pliable material, as rubber or neoprene, used as a gasket: the failure of an O-ring caused the explosion that destroyed the space shuttle Challenger in 1986. 1
- noun o-ring a rubber ring used in machinery as a seal against oil, air, etc 0
- noun o-ring a ring-shaped seal or washer of rubber, plastic, metal, etc., used to prevent leaks in parts connecting pipes, tubes, rocket sections, etc. 0