icosahedron
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.ico·sa·he·dron
noun \-drən\ plural ico·sa·he·drons or ico·sa·he·dra\-drə\
Definition of ICOSAHEDRON
: a polyhedron having 20 faces
Origin of ICOSAHEDRON
Greek eikosaedron, from eikosi twenty + -edron -hedron — more at vigesimal
First Known Use: 1570
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