Icosagon
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A polygon with twenty sides and twenty angles.
"1993 The upper half of a regular icosagon frame is folded. - author? - Space Structures 4"
Synonyms
All synonymsExample
More examples"1993 The upper half of a regular icosagon frame is folded. - author? - Space Structures 4"
Etymology
From Ancient Greek εἰκοσάγωνος (eikoságōnos, “having twenty sides”), from εἴκοσι (eíkosi, “twenty”) + γωνία (gōnía, “angle”). Equivalent to icosa- + -gon.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.