英和和英

別の表記

• octogonal (obsolete)

語源

From octagon +‎ -al.

発音

• enPR: ŏk-tăgʹə-nl, IPA: /ɑkˈtæɡənəl/
• 韻: -æɡənəl

形容詞

octagonal (not comparable)

1. (geometry) Shaped like an octagon, in having eight sides and eight angles.
   • 1898, Friedrich Ratzel, The History of Mankind, volume III, London: Macmillan and Co., page 325:

     Near Smeinogorsk an octagonal tumulus has been found containing the corpse of a horse near a rectangular one with a human corpse, both within stone circles.

   • 1985 April 4, Daryln Brewer, “HELPFUL HARDWARE; AN ARRAY OF SUNDIALS”, in The New York Times‎:

     The sundials range in shape from octagonal to the usual round. Prices range from $75 to $375.

派生語

• octagonally
• semi-octagonal

参考

• octactinal