うちゅうせん 宇宙線シャワー LinksSentence search for 宇宙線シャワーSentence search for うちゅうせんシャワーKanji details for 宇, 宙 and 線Edit in JMdict Noun1. cosmic-ray shower; cosmic ray air shower; air showerPhysics, See also 空気シャワー Discussions Log in to talk about this word.