鏡きょう面めん反はん射しゃ係けい数すうMeaningsNoun1. specular reflection coefficientKanji used鏡mirror面surface反be against射shoot係be involved with数numberComposed of鏡きょう面めんmirror surface; lens surfaceNoun反はん射しゃreflection; reverberation; reflex; reflexesNoun係けい数すうcoefficient; factor; proportional constant; modulusNoun