dodecagon

[ doh-dek-uh-gon, -guh n ]
/ doʊˈdɛk əˌgɒn, -gən /

noun Geometry.

a polygon having 12 angles and 12 sides.
Also duodecagon.

Origin of dodecagon

First recorded in 1650–60; dodeca- + -gon

OTHER WORDS FROM dodecagon

do·de·cag·o·nal [doh-de-kag-uh-nl] /ˌdoʊ dɛˈkæg ə nl/, adjective

Words nearby dodecagon

doddie, doddle, dodds, doddy, dodeca-, dodecagon, dodecahedron, dodecanal, dodecanese, dodecanoic acid, dodecaphonic

British Dictionary definitions for dodecagon

dodecagon
/ (dəʊˈdɛkəˌɡɒn) /

noun

a polygon having twelve sides

Derived forms of dodecagon

dodecagonal (ˌdəʊdɛˈkæɡənəl), adjective