Last Updated
：2026/01/09
アルファ線
Hiragana
あるふぁせん
Noun
Japanese Meaning
ヘリウムの原子核からなる荷電粒子が流れとして放射される放射線。通常、放射性崩壊の際に原子核から放出され、物質中での透過力は弱いが電離作用は強い。
Easy Japanese Meaning
ウランなどのつよいちからをもつ物から出る、とても小さくおもい光のようなつぶ
Chinese (Simplified) Meaning
α射线 / 由α粒子构成的放射线 / α粒子流
Chinese (Traditional) Meaning
由α粒子（氦核）組成的放射線 / 穿透力低、電離能力高的輻射
Korean Meaning
알파 입자(헬륨 원자핵)로 이루어진 방사선 / 방사성 붕괴에서 방출되는 헬륨 원자핵의 흐름
Indonesian
sinar alfa / pancaran partikel alfa / radiasi partikel alfa
Vietnamese Meaning
tia alpha (tia α) / bức xạ alpha / dòng hạt alpha
Tagalog Meaning
sinag alpha / daloy ng mga partikulang alpha / uri ng radyasyon na binubuo ng mga partikulang alpha
Sense（1）
alpha ray (stream of alpha particles)
（ romanization ）
（ hiragana ）
Quizzes for review
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アルファ線
See correct answer
Alpha rays are a type of particle emitted from radioactive materials.
Alpha rays are a type of particle emitted from radioactive materials.
See correct answer
アルファ線は、放射性物質から放出される粒子の一種です。
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