nuclear fusion

Translations
ядерный синтез
Scientists are working on nuclear fusion as a potential energy source.
Учёные работают над ядерным синтезом как потенциальным источником энергии.
Definitions
Nuclear fusion is a process in which two light atomic nuclei combine to form a heavier nucleus, releasing a significant amount of energy in the process. This reaction powers stars, including the sun, and has potential applications for clean energy production on Earth.