円えん錐すい曲きょく線せんえんすいきょくせんじ字FuriganaMeanings1nounconic curve; conic sectionmathematics›Mathematical term for curves obtained by intersecting a plane with a cone, such as ellipses, parabolas, and hyperbolas.円えん錐すい曲きょく線せんには、楕だ円えん、放ほう物
