English
Etymology
From AGr. polytonic|εἰκο�άγ�νο� (eikosag�nos) "having twenty sides" < polytonic|εἴκο�ι (eikosi) "twenty" + polytonic|γ�νία (g�nia) "angle".
Pronunciation
audio|en-us-icosagon.ogg|Audio (US)
Noun
icosagon (plural: icosaga or icosagons)
#mathematics a twenty sided polygon
Quotations
1993 The upper half of a regular icosagon frame is folded. - author? - Space Structures 4
zh:icosagon
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