alpha particle

Noun

 * 1)  A doubly positively charged nucleus of a helium-4 atom (consisting of two protons and two neutrons), emitted as a consequence of radioactivity; α-particle

Translations

 * Chinese:
 * Mandarin: α粒子, 阿爾發粒子, 阿伐粒子
 * Czech: částice alfa
 * Danish: alfapartikel
 * Finnish:
 * French: ,
 * German: Alpha-Teilchen, α-Teilchen,
 * Icelandic: alfaögn, alfa-ögn, alfaeind
 * Indonesian: partikel alfa, zarah alfa
 * Irish: alfa-cháithnín
 * Italian: elione,
 * Japanese: アルファ粒子, α粒子
 * Korean: 알파 입자, α-입자
 * Malay: zarah alfa, partikel alfa
 * Polish: cząstka alfa
 * Portuguese: partícula alfa
 * Romanian:
 * Russian:, α-части́ца
 * Spanish: partícula alfa
 * Tagalog: tipik-alpa