decahedron

decahedron

[dek-uh-hee-druhn]
noun, plural decahedrons, decahedra [dek-uh-hee-druh] . Geometry.
a solid figure having ten faces.

Origin:
1820–30; < Neo-Latin; see deca-, -hedron

decahedral [dek-uh-hee-druhl] , adjective
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World English Dictionary
decahedron (ˌdɛkəˈhiːdrən)
 
n
See also polyhedron a solid figure having ten plane faces
 
deca'hedral
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
decahedron   (děk'ə-hē'drən)  Pronunciation Key 
Plural decahedrons or decahedra
A polyhedron having ten faces.
The American Heritage® Science Dictionary
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