Word.ws English Dictionary

icosaedron

icosaedron is the alternative spelling of icosahedron.

Meaning of icosahedron

Noun

icosahedron (plural icosahedra or icosahedrons)

  1. A polyhedron with twenty faces.
  2. (specifically) A regular icosahedron: one of the Platonic solids, all of whose faces are regular (equilateral) triangles
    Synonyms:
    regular gyroelongated pentagonal bipyramid

Questions about icosaedron

What is icosaedron the alternative spelling of?
Icosaedron is the alternative spelling of icosahedron.

Words near icosaedron in the dictionary

  1. iconstasis
  2. ICOP
  3. ICOs
  4. icosa-
  5. icosaedric
  6. icosaedron
  7. icosaedrum
  8. icosagen
  9. icosagens
  10. icosagon
  11. icosagonal

Source and license

Adapted from Wiktionary: icosaedron (page history and authors); icosahedron (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “icosaedron.” Word.ws, https://word.ws/icosaedron. Based on Wiktionary, CC BY-SA 4.0.