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Webster 1913 Edition

Noun.

[Gr. [GREEK]; [GREEK] twelve + [GREEK] seat, bottom, base: cf. F.

dodécaèdre

(Geom. & Crystallog.)

A solid having twelve faces.

☞ The regular dodecahedron is bounded by twelve equal and regular pentagons; the pyritohedron (see

) is related to it; the rhombic dodecahedron is bounded by twelve equal rhombic faces.

Noun.

[Gr., twelve; a base.] A regular solid contained under twelve equal and regular pentagons, or having twelve equal bases.