| 829 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 811 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 757 | A New Dictionary of Kanji Usage |
| 1280 | Classic Nelson (Andrew Nelson) |
| 1286 | Essential Kanji (P.G. O’Neill) |
| 459 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 285 | Japanese Names (P.G. O’Neill) |
| 990 | Kanji and Kana (Spahn and Hadamitzky) |
| 1027 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1252 | Kanji in Context (Nishiguchi and Kono) |
| 465 | Kodansha Compact Kanji Guide |
| 2699 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1377 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1863 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1672 | Les Kanjis dans la tete (Yves Maniette) |
| 7067 | Morohashi |
| 2175 | New Japanese English Character Dictionary (Jack Halpern) |
| 1309 | New Nelson (John Haig) |
| 1656 | Remembering The Kanji (James Heisig) |
| 1785 | Remembering The Kanji, 6th edition (James Heisig) |
| 839 | Tuttle Kanji Cards (Alexander Kask) |
eaves, roof, house, heaven
- On:
- ウ
Jōyō kanji, taught in grade 6
JLPT level N2
883 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 宇 【ウ】 Ukraine
- 宇 【ウ】 counter for buildings, roofs, tents, etc.
- 大宇 【ダイウ】 Daewoo (car company)
- 航宇 【コウウ】 aerospace
Readings
- Japanese names:
- いえ、 たか、 ひろ、 ひろし
- Korean:
- u
Spanish
- edificio grande
- cielo
- sensación
Portuguese
- Beira de telhado
- teto
- casa
- paraíso
French
- firmament
- cieux
- auvent
- toit
- maison
| 747 | 2001 Kanji |
| 3m3.3 | The Kanji Dictionary |
| 2-3-3 | SKIP code |
| 3040.1 | Four corner code |
| 1-17-07 | JIS X 0208-1997 kuten code |
| 5b87 | Unicode hex code |
mid-air, air, space, sky, memorization, interval of time
- On:
- チュウ
Jōyō kanji, taught in grade 6
JLPT level N1
1005 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 宙 【チュウ】 space, air, midair, (from) memory, (by) heart
- 宙返り 【チュウガエリ】 somersault, looping-the-loop
- 小宇宙 【ショウウチュウ】 microcosmos, microcosm
- 大宇宙 【ダイウチュウ】 macrocosmos, macrocosm, the universe, the cosmos
Readings
- Japanese names:
- ひろ、 ゆ
- Korean:
- ju
Spanish
- en el aire
- espacio
- cielo
- firmamento
Portuguese
- aéreo
- ar
- espaço
- céu
- memorização
- intervalo de tempo
French
- plein ciel
- air
- espace
- mémorisation
- intervalle de temps
| 947 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 935 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 993 | A New Dictionary of Kanji Usage |
| 1291 | Classic Nelson (Andrew Nelson) |
| 1303 | Essential Kanji (P.G. O’Neill) |
| 463 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 673 | Japanese Names (P.G. O’Neill) |
| 991 | Kanji and Kana (Spahn and Hadamitzky) |
| 1028 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1253 | Kanji in Context (Nishiguchi and Kono) |
| 472 | Kodansha Compact Kanji Guide |
| 2761 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1413 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1907 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1118 | Les Kanjis dans la tete (Yves Maniette) |
| 7108 | Morohashi |
| 2221 | New Japanese English Character Dictionary (Jack Halpern) |
| 1318 | New Nelson (John Haig) |
| 1109 | Remembering The Kanji (James Heisig) |
| 1190 | Remembering The Kanji, 6th edition (James Heisig) |
| 868 | Tuttle Kanji Cards (Alexander Kask) |
| 776 | 2001 Kanji |
| 3m5.5 | The Kanji Dictionary |
| 2-3-5 | SKIP code |
| 3060.2 | Four corner code |
| 1-35-72 | JIS X 0208-1997 kuten code |
| 5b99 | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N2
382 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 線 【セン】 line, stripe, stria, line (e.g. telephone line), wire, ray (e.g. X-ray), beam, line (e.g. of a railroad), track, route, lane, outline, contours, form, level, division, line (of action), position, approach, policy, principle, impression one leaves, air one gives off
- 繊維 【センイ】 fibre, fiber, textile
- 横線 【オウセン】 horizontal line
- 赤外線 【セキガイセン】 infrared rays, infrared radiation
Readings
- Korean:
- seon
Spanish
- línea
- cable
- frontera
- raíl
- carril
Portuguese
- linha
- trilha
French
- ligne
- voie
| 447 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 176 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 329 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 247 | A New Dictionary of Kanji Usage |
| 3580 | Classic Nelson (Andrew Nelson) |
| 389 | Essential Kanji (P.G. O’Neill) |
| 826 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2.20 | Japanese for Busy People |
| 299 | Kanji and Kana (Spahn and Hadamitzky) |
| 299 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 841 | Kanji in Context (Nishiguchi and Kono) |
| 1551 | Kodansha Compact Kanji Guide |
| 1760 | Kodansha Kanji Dictionary (Jack Halpern) |
| 944 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1273 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1351 | Les Kanjis dans la tete (Yves Maniette) |
| 27641 | Morohashi |
| 1392 | New Japanese English Character Dictionary (Jack Halpern) |
| 4548 | New Nelson (John Haig) |
| 1339 | Remembering The Kanji (James Heisig) |
| 1438 | Remembering The Kanji, 6th edition (James Heisig) |
| 236 | Tuttle Kanji Cards (Alexander Kask) |
| 2742 | 2001 Kanji |
| 6a9.7 | The Kanji Dictionary |
| 1-6-9 | SKIP code |
| 2693.2 | Four corner code |
| 1-32-94 | JIS X 0208-1997 kuten code |
| 7dda | Unicode hex code |