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宇

Also house, heaven

Readings

On’yomi

  • ウ

Kun’yomi

No kun’yomi listed in KANJIDIC2.

On’yomi and kun’yomi?

On’yomi are readings that came from Chinese, written here in katakana. Kun’yomi are native Japanese readings, written in hiragana. Which one is used depends on the word: kanji in compounds often take an on’yomi, and a kanji standing alone often takes a kun’yomi.

Stroke order

Strokes from KanjiVG (CC BY-SA 3.0).

Example words

  • 宇宙(うちゅう)universe; cosmos; space
  • 大宇宙(だいうちゅう)macrocosmos; macrocosm; the universe
  • 宇宙空間(うちゅうくうかん)(outer) space
  • 宇宙開発(うちゅうかいはつ)space development; space exploration
  • 宇宙飛行士(うちゅうひこうし)astronaut
  • 宇宙開発事業団(うちゅうかいはつじぎょうだん)National Space Development Agency; NASDA
Where do these words come from?

They are common words containing 宇, from JMdict, picked automatically with words made of easier kanji first. They are not graded by JLPT level.

Keep exploring

Same radical. KANJIDIC2 files these kanji under radical 宀 (no. 40), like 宇 (the 8 most common of 37 in the collection).

What is a radical?

Dictionaries file every kanji under one of 214 radicals, a component used for looking it up. A shared radical often hints at a shared theme, but not always, and it says nothing certain about a character’s history. A radical can change shape inside a kanji, as 水 becomes 氵.

Additional detailsSchool grade, frequency, Unicode and sources
School grade
Grade 6 (primary school)
Newspaper frequency
883 of 2,500
Classical radical
宀 no. 40
Unicode
U+5B87

School grade comes from the Japanese school curriculum. Frequency is the rank among the 2,500 most common kanji in newspapers. Neither is a JLPT level.

Sources for this entry