n. [ Gr. &unr_; twelve + &unr_; angle: cf. F. dodécagone. ] (Geom.) A figure or polygon bounded by twelve sides and containing twelve angles. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_; twelve + &unr_; woman, female. ] (Bot.) A Linnæan order of plants having twelve styles.

{ } a. (Bot.) Of or pertaining to the Dodecagynia; having twelve styles. [ 1913 Webster ]

a. Pertaining to, or like, a dodecahedion; consisting of twelve equal sides. [ 1913 Webster ]

Dodecahedral cleavage. See under Cleavage. [ 1913 Webster ]

n. [ Gr. &unr_;; &unr_; twelve + &unr_; seat, bottom, base: cf. F. dodécaèdre. ] (Geom. & Crystallog.) A solid having twelve faces. [ 1913 Webster ]

☞ 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. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_; twelve + &unr_;, &unr_;, man, male. ] (Bot.) A Linnæan class of plants including all that have any number of stamens between twelve and nineteen.

{ } a. (Bot.) Of or pertaining to the Dodecandria; having twelve stamens, or from twelve to nineteen. [ 1913 Webster ]

n. [ Gr. &unr_; twelve. ] (Chem.) Any one of a group of thick oily hydrocarbons, C12H26, of the paraffin series. [ 1913 Webster ]

a. [ Gr. &unr_; twelve + &unr_; column: cf. F. dodécastyle. ] (Arch.) Having twelve columns in front. -- n. A dodecastyle portico, or building. [ 1913 Webster ]

a. [ Gr. &unr_; twelve + E. syllabic. ] Having twelve syllables. [ 1913 Webster ]