noun
high-level radioactive waste
Technical term used in nuclear energy and waste management contexts.
高レベル放射性廃棄物の処分方法について議論が続いている。
Discussions continue on how to dispose of high-level radioactive waste.
General term for radioactive waste; 高レベル放射性廃棄物 specifically refers to the high-level category.
Compound of 高レベル (high-level), 放射性 (radioactive), and 廃棄物 (waste).