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[ok-tag-uh-nl] /ɒkˈtæg ə nl/

having eight angles and eight sides.
having eight sides and eight angles
of or relating to an octagon

1570s, from octagon + -al (1).
A polygon having eight sides.

octagonal adjective (ŏk-tāg’ə-nəl)


Read Also:

  • Octagon-house

    noun 1. a type of American house, c. 1850, having an octagonal perimeter to reduce exterior wall area.

  • Octagon-scale

    noun, Carpentry. 1. a scale used in laying out octagonal figures of various sizes.

  • Octahedral

    [ok-tuh-hee-druh l] /ˌɒk təˈhi drəl/ adjective 1. having the form of an . /ˌɒktəˈhiːdrəl/ adjective 1. having eight plane surfaces 2. shaped like an octahedron

  • Octahedrite

    [ok-tuh-hee-drahyt] /ˌɒk təˈhi draɪt/ noun, Mineralogy. 1. . /ˌɒktəˈhiːdraɪt/ noun 1. another name for anatase

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