An O-ring, also known as a packing or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a round cross-section...

The Ring of O is a specially designed ring which has been worn as a distinctive mark among BDSM practitioners, mainly in continental Europe — and especially...

"Ring a Ring o' Roses", also known as "Ring a Ring o' Rosie" or (in the United States) "Ring Around the Rosie", is a nursery rhyme, folk song, and playground...

The O-ring theory of economic development is a model of economic development put forward by Michael Kremer in 1993, which proposes that tasks of production...

The o-ring chain is a specialized type of roller chain used in the transmission of mechanical power from one sprocket to another. The o-ring chain is named...

The cause of the disaster was the failure of the primary and secondary O-ring seals in a joint in the shuttle's right solid rocket booster (SRB). The...

The X-ring chain is a specialized type of sealed roller chain used to transfer mechanical power. Like the standard O-ring chains it is also used in high-performance...

a system of two O-rings had failed completely and that damage had been caused to the second O-ring. The O-rings were two rubber rings that formed a seal...

An o-ring boss seal is a technique for joining two fluid-carrying pipes, hoses, or tubing. In an o-ring boss (abbreviated ORB) system, a male-threaded...

Ring O' Records was a record label founded by former Beatle Ringo Starr in 1975. The label's formation coincided with the winding down of the Beatles'...