Word.ws English Dictionary

triacontagon

triacontagon noun: a polygon with thirty sides.

triacontagon: a polygon with thirty sides
Image: Tomruen, Public domain, via Wikimedia Commons

Noun

triacontagon (plural triacontagons)

  1. A polygon with thirty sides.
    • After projection onto the (x₁, x₂) plane, the A’s, B’s, C’s, and D’s form four concentric triacontagons, inscribed in circles of radii a, b, c, and d.1947, H. S. M. Coxeter, Regular Polytopes, published 2012, unnumbered page
    • In the projection the 600 points can be classified in 12 sets: each set consists of either of 30 or of 60 vertices which lie on a circle concentric with the outer triacontagon.1964 July, B. L. Chilton, On the Projection of the Regular Polytope {5, 3, 3} into a Regular Triacontagon, Canadian Mathematical Bulletin, Volume 7, Number 3, page 386
    Synonyms:
    30-gon

Synonyms of triacontagon

Forms of triacontagon

pluraltriacontagons

Origin of triacontagon

From triaconta- + -gon.

Questions about triacontagon

What does triacontagon mean?
Triacontagon means a polygon with thirty sides.
What part of speech is triacontagon?
Triacontagon is a noun.
What is the plural of triacontagon?
The plural of triacontagon is triacontagons.

Words near triacontagon in the dictionary

  1. triaconta-
  2. triacontad
  3. triacontadigon
  4. triacontadigons
  5. triacontads
  6. triacontagon
  7. triacontagonal
  8. triacontagons
  9. triacontahedra
  10. triacontahedral
  11. triacontahedron

Source and license

Adapted from Wiktionary: triacontagon (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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