noun
spherical coordinates
Technical term in mathematics and physics for a coordinate system using radial distance, polar angle, and azimuthal angle.
球座標を使うと、球対称の問題が簡単に解ける。
Using spherical coordinates makes it easy to solve spherically symmetric problems.
Cartesian coordinates use perpendicular axes (x, y, z), whereas 球座標 uses radial distance and angles.
Compound of 球 (sphere) and 座標 (coordinates).