noun
spherical mirror
Technical term in optics for a mirror with a curved reflecting surface that is part of a sphere.
球面鏡は凹面鏡と凸面鏡に分けられる。
Spherical mirrors are divided into concave and convex mirrors.
A convex mirror, a type of spherical mirror that bulges outward.
Compound of 球面 (spherical surface) and 鏡 (mirror).