Home / Vocabulary / 宙 宙 Kanji meanings and readings 宙 N1 mid-air; air; space; sky; memorization; interval of time On readingチュウ Kun reading Radical宀 Related vocabulary ✦Illustration in preparation 宇宙 N3 うちゅう universe; cosmos; space ✦Illustration in preparation 宙返り N1 ちゅうがえり somersault; looping-the-loop