Added 9 October 2026
octahedron
noun
In Latin: octahedrum Wiktionary
noun Definition from WordNet 3.1, Princeton University. More about octahedron at Wordnik → Where our words come from →
- Any polyhedron having eight plane faces.
Origin
From Ancient Greek ὀκτάεδρον (oktáedron). By surface analysis, octa- + -hedron.
From Wiktionary, via Kaikki.org (CC BY-SA)