Concept information
Preferred term
annulus
Definition(s)
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In mathematics, an annulus (plural annuli or annuluses) is the region between two concentric circles. Informally, it is shaped like a ring or a hardware washer. The word "annulus" is borrowed from the Latin word anulus or annulus meaning 'little ring'. The adjectival form is annular (as in annular eclipse).
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Annulus_(mathematics))
Broader concept(s)
In other languages
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French
URI
http://data.loterre.fr/ark:/67375/PSR-R0GM71ZM-W
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