noun · 1 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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/hɛksəɪkoʊsɪˈkoʊɹɔn/
1
noun
Meaning 1
A four-dimensional object analogous to an icosahedron, constructed out of six hundred tetrahedra, arranged 20 to a vertex.
Definition source: English Wiktionary via Wiktextract
Topics: mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From hexacosi- (“six hundred”) + -choron (“room”), from Ancient Greek ἑξακόσιοι (hexakósioi, “six hundred”) and χῶρος (khôros, “room”).
Across languages
Translations
5 source translations are retained for this English entry.