| Subject | English | Japanese |
| comp. | n ambient reflection coefficient | 環境光反射係数 |
| tech. | coefficient of reflection | 反射係数 (hansha-keisū) |
| tech. | coefficient of sound pressure reflection | 音圧反射率 (おんあつはんしゃりつ) |
| el. | complex current reflection coefficient | 複素電流反射係数 |
| el. | complex reflection coefficient | 複素電圧反射系数 |
| comp. | n diffuse reflection coefficient | 拡散反射係数 |
| antenn., opt. | power reflection coefficient | 反射率 (hansharitsu) |
| antenn. | power reflection coefficient | 電力反射率 |
| el. | complex reflection coefficient | 複素反射率 |
| el. | complex reflection coefficient | 反射率 (hansharitsu) |
| gen. | reflection coefficient | 反発係数 (はんぱつ・けいすう) |
| gen. | n reflection coefficient | 反射係数 (hansha-keisū) |
| gen. | n reflection coefficient chart | 反射係数線図 |
| el., acoust. | sound pressure reflection coefficient | 音圧反射率 (おんあつはんしゃりつ) |
| el., acoust. | sound power reflection coefficient | 音響反射率 |
| el., acoust. | sound power reflection coefficient | 音響パワー反射率 |
| comp. | n specular reflection coefficient | 鏡面反射係数 |