noun🔗Share放物面A surface having a parabolic cross section parallel to an axis, and circular or elliptical cross section perpendicular to the axis; especially the surface of revolution of a parabola."The satellite dish is a paraboloid shape, focusing radio waves to a single point. "衛星アンテナは放物面の形状をしており、電波を1点に集めます。mathphysicstechnicalstructureChat with AIVocabulary GamePractice Reading