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Rhombus
(103 words)

(ῥόμβος/rhómbos).

[German version]

[1] Geometric shape

In the plane, a rectangle with four sides of equal length but with unequal angles (i.e., with two acute and two obtuse angles; Euc. 1, Def. 22; Censorinus, DN 83,14 Jahn). In three dimensions, a rhombus is the solid of revolution consisting of two cones with the same base (Archim. De sphaera et cylindro 1, def. 6).

Bibliography

1 T. L. Heath, The Thirteen Books of Euclid's Elements, vol. 1, 21925, 189

2 A. Hug, s.v. Ῥόμβος (rhombus), RE 1 A, 1069.

Cite this page
Folkerts, Menso (Munich), “Rhombus”, in: Brill’s New Pauly, Antiquity volumes edited by: Hubert Cancik and , Helmuth Schneider, English Edition by: Christine F. Salazar, Classical Tradition volumes edited by: Manfred Landfester, English Edition by: Francis G. Gentry. Consulted online on 10 August 2022 <http://dx.doi.org/10.1163/1574-9347_bnp_e1022960>
First published online: 2006
First print edition: 9789004122598, 20110510



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