This site will be taken down March 31st, 2026.

This was not an easy decision to make. For the last couple years, I have been struggling to find motivation for this site and to keep up with basic maintenance and security updates. With the rise of AI and more sophisticated tools, the usefulness of sites like this is questionable and traffic has nose-dived. I just don't have it in me to keep doing this. Thank you all for 10 years of support!

Zach

Reading

Kana: チュウ
Romaji: chū
Kana
Romaji

Name Readings

Kana: ひろ、ゆ
Romaji: hiro, yu
Kana
Romaji

Meanings

mid-air, air, space, sky, memorization, interval of time

Stroke Diagram

12345678

Kanji Info

Stroke Count:  8
Radical Number:  40
Frequency:  1005
Grade:  6
Skip Pattern:  2-3-5
Korean Reading:  ju
Chinese Reading:  zhou4
Unicode:  5b99
JIS:  4368

Indexes

Halpern Index: 2221
Nelson Index: 1291
New Nelson Index: 1318
Spahn Hadamitzky Index: 3m5.5
Four Corner Index: 3060.2
Guide to Remembering Index: 935
Gakken Index: 993
Japanese Names Index: 673
Daikanwanjiten Index: 7108
Daikanwanjiten Index and Page: 3.0974
Remembering the kanji Index: 1109
Kanji Flashcards Index: 463
Kodansha Compact Index: 472
Read Writing Kanji Third Index: 947
Kanji in Context Index: 1253
1999 Kanji Learners Index: 1413
2013 Kanji Learners Index: 1907
French Remembering the Kanji Index: 1118
Remembering the Kanji 6th Index: 1190
Essential Kanji Index: 1303
Kodansha Kanji Index: 2761
Roo 2001 Kanji Index: 776
Tuttle Kanji Cards Index: 868

Words

(ちゅう)
space; air; midair
宇宙船 (うちゅうせん)
space ship
小宇宙 (しょううちゅう)
microcosmos; microcosm
宇宙博 (うちゅうはく)
Space Expo
宇宙電波 (うちゅうでんぱ)
cosmic radio waves
宇宙 (うちゅう)
universe; cosmos; space
宙返り (ちゅうがえり)
somersault; looping-the-loop
宇宙発生論 (うちゅうはっせいろん)
cosmogony
宇宙背景放射 (うちゅうはいけいほうしゃ)
cosmic background radiation
宇宙定数 (うちゅうていすう)
cosmological constant
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