thermonuclear
🇺🇸
/ˌθɜːrməʊˈnuːkliər/
🇬🇧
/ˌθɜːməʊˈnjuːkliə(r)/
relating to the power produced by splitting atoms at very high temperatures
The sun produces energy through a thermonuclear process.
太陽は熱核反応プロセスを通じてエネルギーを生産する。