| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | deuterium | scientific community | Deuterium is an isotope of hydrogen with one proton and one neutron, often used in nuclear fusion research. | 1 |
| 2 | deuterium | scientific community | Deuterium is an isotope of hydrogen with one proton and one neutron, commonly used in nuclear fusion research. | 1 |
| 3 | deuterium | scientific community | Deuterium is used as a fuel in nuclear fusion reactions, particularly in the development of fusion energy. | 1 |