Usually means: Eighty-sided polygon in geometry.
Definitions Related words Mentions
We found 4 dictionaries that define the word octacontagon:

General (2 matching dictionaries)
  1. Octacontagon: Wikipedia, the Free Encyclopedia
  2. octacontagon: Wiktionary

Computing (1 matching dictionary)
  1. Octacontagon: Encyclopedia

Science (1 matching dictionary)
  1. Octacontagon: Eric Weisstein's World of Mathematics

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Definitions from Wiktionary (octacontagon)

▸ noun:  (geometry) A polygon with 80 sides and 80 angles.

Similar:
tetracontadigon, tetracontakaihexagon, octadecagon, hexadecagon, hexacontagon, tetracontagon, enneacontahexagon, hexahectaenneacontakaiheptagon, heptacontagon, icosagon, more...

Opposite:
triangle, square, pentagon, hexagon, heptagon

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Similar:
tetracontadigon, tetracontakaihexagon, octadecagon, hexadecagon, hexacontagon, tetracontagon, enneacontahexagon, hexahectaenneacontakaiheptagon, heptacontagon, icosagon, more...

Opposite:
triangle, square, pentagon, hexagon, heptagon



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