The ring finger, third finger, fourth finger, leech finger, or annulary is the fourth digit of the human hand, located between the middle finger and the ...

A ring is a round band, usually made of metal, worn as ornamental jewelry. The term "ring" by itself denotes jewellery worn on the finger; when worn as an ...

In molecular biology, a RING finger domain is a protein structural domain of zinc finger type which contains a C3HC4 amino acid motif which binds two zinc ...

A wedding ring or wedding band is a finger ring that indicates that its wearer is married. It is usually forged from metal, traditionally gold or another ...

Engagement ring · Gimmal ring · Puzzle ring · Vena amoris

An engagement ring, also known as a betrothal ring, is a ring indicating that the person wearing it is engaged to be married, especially in Western cultures ...

Pre-engagement ring · Wedding ring · Gimmal ring

Ring size is a measurement used to denote the circumference (or sometimes the diameter) of jewellery rings and smart rings.

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In mathematics, rings are algebraic structures that generalize fields: multiplication need not be commutative and multiplicative inverses need not exist.

Ring theory · Field · Abelian group · Rng (algebra)