noun
specular reflection coefficient
Technical term in computer graphics and optics for the proportion of light reflected specularly from a surface.
鏡面反射係数は、物体の光沢を決める重要なパラメータです。
The specular reflection coefficient is an important parameter that determines the glossiness of an object.
Compound of 鏡面 (mirror surface) + 反射 (reflection) + 係数 (coefficient).