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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: tetrahedron.
QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!
Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!
Question 1 of 7
Let’s start with some etymology: What are the origins of the typographical word “bracket”?
First appeared around 1750, and is related to the French word “braguette” for the name of codpiece armor.
First appeared in 1610, based on the French word “baguette” for the long loaf of bread.
First appeared in 1555, and is related to the French word “raquette” for a netted bat.TAKE THE QUIZ TO FIND OUT
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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for -hedron
n combining form
indicating a geometric solid having a specified number of faces or surfacestetrahedron
Derived forms of -hedron-hedral, adj combining form
Word Origin for -hedron
from Greek -edron -sided, from hedra seat, base
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012