しょうせんげん
Meanings
Noun
1. radioactive small source
Pitch accent
しょ
うせ
んげん
Composed of
smallness; small item; short month (i.e. having fewer than 31 days); elementary school; smaller (of two things, places, etc. with the same name); inferior; younger (of two people with the same name)
source of radiation; radiation source
Used in vocabulary (1 in total)