Icosahedron
//ˌaɪkoʊsəˈhiːdɹən//
Word Forms of "icosahedron" (4 forms)
Noun
| Form | Word | |
|---|---|---|
| Alternative, Obsolete | eicosaedrum | |
| Alternative, Obsolete | icosaedrum | |
| Plural | icosahedra | |
| Plural | icosahedrons |
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.