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- Results about octahedra can be found here.
The word octahedron derives from the Classical Greek:
- octo (ὀκτώ), meaning eight
- hedron (a form of ἕδρα), meaning base or seat.
The technically correct plural of octahedron is octahedra, but the word octahedrons can often be found.
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): Entry: octahedron (octahedra)