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

22 February 2025

ANALYSIS

(noun) the use of closed-class words instead of inflections: e.g., ‘the father of the bride’ instead of ‘the bride’s father’


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