Look up ring in Wiktionary, the free dictionary.

Ring may refer to:

• Ring (jewellery), a round band, usually made of metal, worn as ornamental jewelry
• To make a sound with a bell, and the sound made by a bell

(hence) to initiate a telephone connection

Arts, entertainment and media

People

• Ring (surname), including a list of people with the name
• Ring of Sweden, a Swedish monarch or local ruler c. 936

Places

• Ring, County Waterford, Ireland
• Ring, Wisconsin, United States

Mathematics

• Ring (mathematics), an algebraic structure
• Ring of sets, a family of subsets closed under certain operations
• Annulus (mathematics), a geometric planar ring
• Torus, a three-dimensional surface
• Solid torus, a solid figure
• Napkin ring problem, on the volume left after drilling a cylindrical hole through a sphere

Computers and electronics

• Ring (data structure), or ring buffer
• Ring network, a network topology
• Protection ring, in computer security
• Ring (software), VOIP software
• Ring circuit, an electrical wiring technique
• Ring (programming language)

Science

• Ring (chemistry), a cyclic molecule
• Ring system, in astronomy, matter orbiting a planet or other stellar body
• Annulus (mycology), or ring, on the stipe of mushrooms
• Ring attached to a bird by bird ringing, for identification

Sports

• Boxing ring, the space in which a boxing match occurs
• Wrestling ring, the stage on which a professional wrestling match usually occurs
• Rings (gymnastics), a gymnastics apparatus and its associated event
• Fighting Network Rings, or RINGS, a Japanese combat sport promotion
• Juggling ring, a popular prop used by jugglers

Other uses

• Ring (Bulgaria), a Bulgarian sports TV channel
• Ring (company), a home security company, maker of the Ring video doorbell
• Ring (diacritic), that may appear above or below letters
• a bidders' pool for collusion in an auction
• a local clubs of the International Brotherhood of Magicians
• a perception of sound caused by tinnitus
• Ring languages, spoken in Cameroon
• Ring road, a type of highway encircling a town or city
• Crime ring, or ring, in organized crime

See also

• All pages with titles beginning with ring
• All pages with titles containing ring
• Ringe (disambiguation)
• Ringer (disambiguation)
• Ringing (disambiguation)
• Ringo (disambiguation)
• Ringtone (disambiguation)
• The Ring (disambiguation)
• Ring 0 (disambiguation)
• Ring 1 (disambiguation)
• Ring 2 (disambiguation)
• Ring 3 (disambiguation)
• Ring 4 (disambiguation)
• Ring 5 (disambiguation)
• Ring of Honor (disambiguation)
• Ring Ring (disambiguation)
• Ring Ring Ring (disambiguation)
• Ring Road (disambiguation)
• Ring structure (disambiguation)
• Annulus (disambiguation)
• Brass ring, a grabbable ring on a carousel
• Cock ring, a ring worn around the penis
• Circle symbol (disambiguation)
• Coffee ring effect
• D-ring, a D-shaped metal ring
• Piston ring, part of an engine
• Ring of bells, a set of bells hung for English full circle ringing
• Storage ring, a type of particle accelerator
• Torus, a doughnut shape