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split-ring
A ring of metal wire looped almost twice about, as a keyring. / (electronics) Either of a pair of concentric metallic rings with slits on opposite sides, used in split-ring resonators.
marriage ring
betting ring
An area at a racecourse in which bookmakers take bets from punters.
sovvy ring
(slang) sovereign ring
sovereign ring
A ring with a gold sovereign or similar coin as its primary decoration, with the obverse face as the visible detail.
prize ring
Synonym of boxing ring
near-ring
(mathematics) An algebraic structure similar to a ring but satisfying fewer axioms. They arise naturally from functions on groups.
telephone ring
A ringing noise made by a telephone-bell to announce an incoming call.
ring lamp
(photography) Synonym of ring light
ring light
(photography) A continuous circular strip of light around a camera lens (either directly on the rim or as a standalone item) for the purpose of evenly illuminating the subject.
