| Subject | English | Japanese |
| gen. | angle of external friction | 外部摩擦角 |
| tech. | external angle | 出隅角 (ですみ) |
| tech. | external angle | 外角 (gaikaku) |
| gen. | n external angle | 外角 news1 nf11 (gaikaku) |
| gen. | n external corner angle of two walls, planes, etc. | 出角 |
| gen. | n external corner angle of two walls, planes, etc. | 出隅 (で・すみ) |