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Contents 1 Jewelry 2 Medicine 3 Mathematics 4 Science and engineering 5 Computing 6 Miscellaneous 7 Places 8 Entertainment 9 See also

Ring is a Germanic word with various cognates (e.g. identical in Dutch and German) for a circular form, object or concept. It may specifically refer to:

Though size and colour may vary by purpose and artistic design, the basic shape is always circular. They can have symbolical meanings and uses, e.g. as insignia.

• Finger ring
  • In fiction: magic rings, Rings of Power, The One Ring, Ring of the Fisherman
• Toe ring
• Arm ring
• Earring and other piercings
• Cock ring, a sex toy

• Schatzki ring, a congenital mucosal ring in the esophagus
• Tinnitus, a persistent ringing in the ears

• Ring (mathematics), an algebraic structure
• Annulus, any of various ring-shaped objects

• Ring structure, in chemistry, molecules such as aromatic hydrocarbons and heterocyclic compounds
• Ring molecule or cyclic molecule, in chemistry, molecules such as cycloalkanes
  • Small cycloalkanes can experience ring stress
• Planetary ring, a flat disc-shaped ring of matter orbiting a planet
• Growth rings, usually a synonym for tree rings
• Ring species, populations in biology which are difficult to properly categorize into separate species
• Ring circuit, ring final circuit
• Ring armature, in electric motors
• O-ring, a loop of elastomer with an o-shaped cross-section, used as a mechanical seal
• Piston ring, an open-ended ring that fits into a groove on the outer diameter of a piston

• Ring (computer security), rings of protection
• Token ring, a networking technology
• Web ring, a group of independent but related web sites linked to each other in sequence

• Planetary ring
• To strike a bell
• Ring (telephone), the action a telephone performs when it is triggered by an incoming call
• Rings (gymnastics), an artistic gymnastics apparatus traditionally used by male gymnasts
• Ring (diacritic), as in "Åmål"
• Canal ring, a circular canal route
• A ring road, or beltway, a highway around a city
• A crime ring; see organized crime
• The Olympic rings, the symbol of the modern Olympic Games
• Onion rings, a type of fast food
• The anus, in British slang
• A blue, rubber ring is used in Ringette, a sport invented in 1963 by Sam Jacks, that is predominantely played by females.
• Rings are painted on a sheet of curling ice to mark the target for players to shoot at

• Ring, County Waterford, a village in the Republic of Ireland

• Boxing ring, the space in which a boxing match occurs
• Der Ring des Nibelungen, a mythological series of four sequel-operas by Richard Wagner
• The Lord of the Rings, a famous fantasy saga set in Middle-earth
• Ringworld, a science fiction novel by Larry Niven
• Ring (film), or Ringu, a 1998 Japanese horror film
• The Ring (film), a 2002 American adaptation of the Japanese film
• Ring (Suzuki novel)
• Ring (Baxter novel), a science fiction novel by Stephen Baxter
• Ring, a video game based loosely on Richard Wagner's opera.
• Ring Magazine, a boxing magazine
• RINGS, a Japanese professional wrestling promotion
• Ring of Honor, a North American professional wrestling promotion
• Rings (Sonic the Hedgehog), items which provide protection against injury and bonus points in the Sonic the Hedgehog video game series
• Rings (local IBM clubs), the term used to describe local organizations affiliated with the International Brotherhood of Magicians

• The Ring (disambiguation)
• Circle, Crop circle