| rays | |
| astr. | Strahlen |
| paleont. | Strahle |
| α rays | |
| nucl.phys. radiat. | Alphastrahlung |
| radiat. | α-Strahlung; Alphastrahlen; α-Strahlen; radioaktive Alphastrahlung; radioaktive α-Strahlung |
| α-rays | |
| nucl.phys. radiat. | Alphastrahlung |
|
Lenard : 10 phrases in 3 subjects |
| Earth sciences | 3 |
| Physics | 5 |
| Technology | 2 |