| Answer | Crossword Clue |
|---|---|
| ISOTOPES | Deuterium and tritium, to hydrogen |
| ISOTOPES | Deuterium and tritium |
| ISOTOPE | Tritium, to hydrogen |
| deuterate | to add deuterium to; to replace hydrogen by deuterium in molecules |
| deuterates | DEUTERATE, to add deuterium to; to replace hydrogen by deuterium in molecules |
| deuterating | DEUTERATE, to add deuterium to; to replace hydrogen by deuterium in molecules |
