Dodecagon

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dodecagon

[dō′dek·ə‚gän]
(mathematics)
A 12-sided polygon.

Dodecagon

A 12-sided regular polygon; the angle included between the 12 equal sides is 115 degrees.
References in periodicals archive ?
The imposing 43mm dodecagonal case in black PVD steel has its rightful place.
Hundreds of quasicrystals have been found since, some with non-crystallographic axial symmetries, pentagonal, octagonal (16), decagonal (17), and dodecagonal (18).
The signature stainless steel case and bezel has the Baume & MercierCOs legendary dodecagonal form (12 sides) representing the 12 hours of the day or night, and the case is adequately sleek for superb feminine elegance.