triakisoctahedron
(crystallography) A trigonal trisoctahedron.
A surname.
(now chiefly historical) A machine designed to crush quartz in order to extract gold.
The view, originating in the Middle Ages, that history is a linear succession of transfers of an imperium that invests supreme power in a single ruler.
顕微鏡下で、その鉱物の三方晶系トリソオクタヘドロンの形状は複雑な面の模様を示した。
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