-hedron

noun combining form

plural -hedrons or -hedra
: crystal or geometrical figure having a (specified) form or number of surfaces
tetrahedron
trapezohedron

Word History

Etymology

New Latin, from Greek -edron, from hedra seat — more at sit

Browse Nearby Words

Hedriophthalma
-hedron
hedy-
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Cite this Entry

“-hedron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/-hedron. Accessed 8 Nov. 2025.

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Last Updated: - Definition revised
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