dodecahedron
pronunciation
How to pronounce dodecahedron in British English:
UK [ˌdəʊdekəˈhi:drən]
How to pronounce dodecahedron in American English:
US [ˌdoʊdekəˈhidrən]
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- Noun:
- any polyhedron having twelve plane faces
Word Origin
- dodecahedron (n.)
- 1560s, from Greek dodeka "twelve" (short for duodeka, from duo "two" + deka "ten;" compare dozen) + hedra "seat, base, chair, face of a geometric solid," from PIE root *sed- (1) "to sit" (see sedentary).