alpha radiation
noun /ˈælfə reɪdieɪʃn/
/ˈælfə reɪdieɪʃn/
[uncountable] (physics- a type of radiation that comes from some substances when they decay (= start to break down)
compare gamma radiationTopics Physics and chemistryc2α辐射:某些物质衰减时来自某些物质的辐射类型