Definition of O-ring in English:


Line breaks: O-ring


  • A gasket or seal in the form of a ring with a circular cross section, typically made of rubber and used especially in swivelling joints.
    More example sentences
    • I came across far too many dodgy cylinder O-rings in the short time we were there.
    • In lieu of an O-ring of gasket, the part to be sealed is assembled prior to the injection of the material.
    • The commission concluded that the disaster was caused by the failure of a rubber O-ring in a joint in one of the SRBs.

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Word of the day grotesquerie
Pronunciation: grəʊˈtɛskəri
grotesque quality or grotesque things collectively