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a combining form meaning “face,” used in the names of geometrical solid figures having the form or number of faces specified by the initial element:
Origin of -hedron
< Greek -edron, neuter of -edros having bases, -sided, equivalent to (h)édr(a) seat, face of a geometrical form (see cathedra) + -os adj. suffix Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for -hedron


combining form
indicating a geometric solid having a specified number of faces or surfaces: tetrahedron
Derived Forms
-hedral, combining_form:in_adjective
Word Origin
from Greek -edron -sided, from hedra seat, base
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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