thermonuclear
🇺🇸
/ˌθɜːrməʊˈnuːkliər/
🇬🇧
/ˌθɜːməʊˈnjuːkliə(r)/
relating to the power produced by splitting atoms at very high temperatures
The sun produces energy through a thermonuclear process.
太阳通过热核过程产生能量。