| 1647 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1592 | A New Dictionary of Kanji Usage |
| 4699 | Classic Nelson (Andrew Nelson) |
| 1152 | Essential Kanji (P.G. O’Neill) |
| 1807 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1685 | Kanji and Kana (Spahn and Hadamitzky) |
| 1800 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1746 | Kanji in Context (Nishiguchi and Kono) |
| 698 | Kodansha Compact Kanji Guide |
| 3854 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1981 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2677 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 924 | Les Kanjis dans la tete (Yves Maniette) |
| 38876P | Morohashi |
| 3108 | New Japanese English Character Dictionary (Jack Halpern) |
| 6059 | New Nelson (John Haig) |
| 915 | Remembering The Kanji (James Heisig) |
| 981 | Remembering The Kanji, 6th edition (James Heisig) |
| 1399 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N1
1035 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 透明 【トウメイ】 transparent, clear
- 透析 【トウセキ】 dialysis
- 失透 【シットウ】 devitrification
- 市場浸透 【シジョウシントウ】 market penetration
Kun reading compounds
- 透く 【すく】 to be transparent, to leave a gap
- 透かす 【すかす】 to look through, to hold up to the light, to make an opening, to leave space, to space (lines), to prune (trees), to fart without making a sound
- 透ける 【すける】 to be transparent, to show through
- 透水 【とうすい】 permeation (e.g. of water), percolation, seepage
- 透水性 【とうすいせい】 permeability
Readings
- Japanese names:
- とおる
- Korean:
- tu
Spanish
- permear
- penetrar
- filtrar
Portuguese
- transparente
- permeear
- filtrar
- penetrar
French
- transparent
- s'infiltrer
- pénétrer
| 2245 | 2001 Kanji |
| 2q7.10 | The Kanji Dictionary |
| 3-3-7 | SKIP code |
| 3-3-8 | SKIP code |
| 3230.2 | Four corner code |
| 1-38-09 | JIS X 0208-1997 kuten code |
| 900f | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N4
659 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 夏 【カ】 Xia dynasty (of China; c. 2070-1600 BCE; possibly mythological), Hsia dynasty
- 夏季 【カキ】 summer season
- 初夏 【ショカ】 early summer, fourth month of the lunar calendar
- 盛夏 【セイカ】 midsummer, height of summer
- 夏 【ゲ】 summer (on the lunisolar calendar: 16th day of the 4th month to the 15th day of the 7th month)
- 夏至 【ゲシ】 summer solstice
- 一夏 【イチゲ】 one summer (during which a monk attends a summer retreat)
- 半夏 【ハンゲ】 crow dipper (Pinellia tuber), 11th day after the summer solstice, last seed-sowing and rice-planting day
Kun reading compounds
- 夏 【なつ】 summer
- 夏季 【かき】 summer season
- 初夏 【しょか】 early summer, fourth month of the lunar calendar
- 常夏 【とこなつ】 everlasting summer
Readings
- Korean:
- ha
Spanish
- verano
Portuguese
- verão
French
- été
| 52 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 88 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 82 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 580 | A New Dictionary of Kanji Usage |
| 58 | Classic Nelson (Andrew Nelson) |
| 163 | Essential Kanji (P.G. O’Neill) |
| 148 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1161 | Japanese Names (P.G. O’Neill) |
| 3.10 | Japanese for Busy People |
| 461 | Kanji and Kana (Spahn and Hadamitzky) |
| 469 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 97 | Kanji in Context (Nishiguchi and Kono) |
| 402 | Kodansha Compact Kanji Guide |
| 2619 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1339 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1815 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 302 | Les Kanjis dans la tete (Yves Maniette) |
| 5720 | Morohashi |
| 2113 | New Japanese English Character Dictionary (Jack Halpern) |
| 1120 | New Nelson (John Haig) |
| 296 | Remembering The Kanji (James Heisig) |
| 317 | Remembering The Kanji, 6th edition (James Heisig) |
| 188 | Tuttle Kanji Cards (Alexander Kask) |
| 3167 | 2001 Kanji |
| 4i7.5 | The Kanji Dictionary |
| 2-2-8 | SKIP code |
| 2-7-3 | SKIP code |
| 1024.7 | Four corner code |
| 1040.7 | Four corner code |
| 1-18-38 | JIS X 0208-1997 kuten code |
| 590f | Unicode hex code |