| Subject | English | Japanese |
| antenn., opt. | axial propagation coefficient | 軸伝播定数 |
| radio | propagation coefficient | γ 記号 |
| radio | propagation coefficient | 伝搬定数 (denpan-teisū) |
| radio | propagation coefficient | 伝搬係数 |
| math. | propagation coefficient | 伝播係数 |
| antenn., opt. | propagation coefficient | 伝播定数 (denpa-teisū) |
| el., acoust. | sound propagation coefficient | 伝搬定数 (denpan-teisū) |