DODECAHEDRON
dodecahedron
(noun) any polyhedron having twelve plane faces
Source: WordNet® 3.1
Etymology
Noun
dodecahedron (plural dodecahedra or dodecahedrons)
(geometry) A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids.
Synonym: duodecahedron
Source: Wiktionary
Do*dec`a*he"dron, n. Etym: [Gr. dodécaèdre.] (Geom. & Crystallog.)
Definition: A solid having twelve faces.
Note: The regular dodecahedron is bounded by twelve equal and regular pentagons; the pyritohedron (see Pyritohedron) is related to it; the rhombic dodecahedron is bounded by twelve equal rhombic faces.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
23 September 2024
CLEAN
(adjective) free from clumsiness; precisely or deftly executed; “he landed a clean left on his opponent’s cheek”; “a clean throw”; “the neat exactness of the surgeon’s knife”
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