Icosahedron
//ˌaɪkoʊsəˈhiːdɹən// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A polyhedron with twenty faces.
- 2 any polyhedron having twenty plane faces wordnet
- 3 A regular icosahedron: one of the Platonic solids, all of whose faces are regular (equilateral) triangles specifically
Example
More examples""Hey, Tom" "Mary?" "It is a really beautiful love" "similar to what?" "Like a regular icosahedron""
Etymology
From Ancient Greek εἰκοσάεδρον (eikosáedron), from εἴκοσι (eíkosi, “twenty”) + ἕδρα (hédra, “face of a geometrical solid”). Equivalent to icosa- + -hedron.
Related phrases
More for "icosahedron"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.