dodecahedron
[ doh-dek-uh-hee-druhn ]
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Part of Speechnoun
Origin + Etymology
Late 16th century; Greekfrom Greek dōdekaedron, neuter (used as a noun) of dōdekaedros ‘twelve-faced’
Definition
a three-dimensional shape having twelve plane faces, in particular a regular solid figure with twelve equal pentagonal faces
Example
The table centerpiece included a decorative dodecahedron used as a flower vase.
Usage Over Time
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