bn:00003900n
Noun Concept
Categories: Elementary geometry, Geometric shapes, Planar surfaces, Circles
EN
ring  halo  annulus  doughnut  anchor ring
English:
shape
mathematics
geometry
Definitions
Examples
Relations
Sources
EN
In mathematics, an annulus is the region between two concentric circles. Wikipedia
The shape between two concentric circles Wikipedia Disambiguation
Geometric surface defined by two concentric circles Wikidata
Any topological space homeomorphic to the region in a plane between two concentric circles of different radius. Wiktionary
A deep-fried piece of dough or batter, commonly of a toroidal (a ring doughnut) shape, often mixed with various sweeteners and flavourings; or flattened sphere (a filled doughnut) shape filled with jam, custard or cream. Wiktionary
Deep-fried piece of dough or batter. Wiktionary (translation)
A planar geometrical figure included between two concentric circles. Wiktionary
Geometry: a planar geometrical figure. Wiktionary (translation)
EN
A ring of ships in the harbor WordNet 3.0 & Open English WordNet
A halo of smoke WordNet 3.0 & Open English WordNet
WordNet 3.0 & Open English WordNet
Wikipedia
Wikidata
EN
Wiktionary
Wikidata Alias