Tetracontagon

//ˈtɛ.tɹəˈkɑntæ.ɡɑn// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A 40-sided polygon.

Synonyms

Etymology

From tetra- + -conta- + -gon.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.