Toroidal ring model — The toroidal ring model, known originally as the Parson magneton or magnetic electron, is also known as the plasmoid ring, vortex ring, or helicon ring. This physical model treated electrons and protons as elementary particles, and was first… … Wikipedia
Ring of O — The Ring of O is a specially designed ring which is worn mainly in continental Europe and especially the German language countries as a distinctive mark among BDSM practitioners since the 1990s. Its use is relatively widespread within this… … Wikipedia
Toroidal coordinates — are a three dimensional orthogonal coordinate system that results from rotating the two dimensional bipolar coordinate system about the axis that separates its two foci. Thus, the two foci F {1} and F {2} in bipolar coordinates become a ring of… … Wikipedia
Toroidal inductors and transformers — … Wikipedia
toroidal — adj. ring shaped (Geometry) … English contemporary dictionary
O-ring — n. a gasket in the form of a ring with a circular cross section. * * * /oh ring /, n. 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… … Useful english dictionary
O ring — /ˈoʊ rɪŋ/ (say oh ring) noun a toroidal ring washer typically used to create a seal as in a tap or snap connecting device. Also, O ring …
Fomalhaut dust ring — noun A toroidal ring of dust and debris around the star Fomalhaut … Wiktionary
Vortex ring — A vortex ring, also called a toroidal vortex, is a region of rotating fluid moving through the same or different fluid where the flow pattern takes on a doughnut shape. The movement of the fluid is about the poloidal or circular axis of the… … Wikipedia
anchor ring — noun a toroidal shape a ring of ships in the harbor a halo of smoke • Syn: ↑ring, ↑halo, ↑annulus, ↑doughnut • Hypernyms: ↑toroid … Useful english dictionary
storage ring — /ˈstɔrɪdʒ rɪŋ/ (say stawrij ring) noun a toroidal vacuum chamber for storing high energy particles from a particle accelerator …