noun
alpha decay
A type of radioactive decay in which an atomic nucleus emits an alpha particle. Technical term used in physics.
ウラン238はα崩壊によってトリウム234に変わる。
Uranium-238 transforms into thorium-234 through alpha decay.
Standard scientific notation using the Greek letter alpha.
Kana spelling of the alpha part; used when Greek letters are unavailable or in less technical contexts.
Compound of α (alpha) and 崩壊 (collapse, decay). A direct calque of English 'alpha decay'.