tetrad
| axis
| tetrad | |
| chem. | vierwertig |
| comp. | Halbbyte |
| axis | |
| chem. | Axe |
| construct. | Zentrum; Achse; Symmetrielinie |
| nat.res. agric. | Rippe |
| paleont. | Spindel; Längsachse |
| |||
| vierwertig | |||
| Halbbyte n | |||
| Tetrade f | |||
|
tetrad : 6 phrases in 4 subjects |
| Chemistry | 1 |
| Mathematics | 1 |
| Medical | 2 |
| Physics | 2 |