Definition of 放射性同位元素 (ほうしゃせいどういげんそ)

noun
radioisotope
Related Kanji
set free, release, fire, shoot, emit, banish, liberate
shoot, shine into, onto, archery
sex, gender, nature
same, agree, equal
rank, grade, throne, crown, about, some
beginning, former time, origin
elementary, principle, naked, uncovered