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dodecagon

noun

do·​deca·​gon dō-ˈde-kə-ˌgän How to pronounce dodecagon (audio)
: a polygon of 12 angles and 12 sides

Example Sentences

Recent Examples on the Web The second floor will remain a dodecagon (12-sided), with two additional bedrooms, a bathroom, living space and an outdoor terrace. Alina Dizik, WSJ, 30 Mar. 2022

Word History

Etymology

Greek dōdekagōnon, from dōdeka- + -gōnon -gon

First Known Use

circa 1658, in the meaning defined above

Time Traveler
The first known use of dodecagon was circa 1658

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