Conical surface
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A surface formed by lines connecting all points on a circumference drawn on a plane to a point not on the plane. The point is called a vertex, and each line segment is called a generatrix. Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information |
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〘名〙 平面上に描かれた円周上のすべての点と、その平面上に無い一点とを結ぶ線分によってできる面。その一点を頂点、各線分を母線という。
出典 精選版 日本国語大辞典精選版 日本国語大辞典について 情報 |
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