| 539 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 438 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 608 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 704 | A New Dictionary of Kanji Usage |
| 3565 | Classic Nelson (Andrew Nelson) |
| 482 | Essential Kanji (P.G. O’Neill) |
| 828 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2527 | Japanese Names (P.G. O’Neill) |
| 743 | Kanji and Kana (Spahn and Hadamitzky) |
| 756 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 296 | Kanji in Context (Nishiguchi and Kono) |
| 1547 | Kodansha Compact Kanji Guide |
| 1738 | Kodansha Kanji Dictionary (Jack Halpern) |
| 931 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1256 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1355 | Les Kanjis dans la tete (Yves Maniette) |
| 27631P | Morohashi |
| 1375 | New Japanese English Character Dictionary (Jack Halpern) |
| 4530 | New Nelson (John Haig) |
| 1343 | Remembering The Kanji (James Heisig) |
| 1443 | Remembering The Kanji, 6th edition (James Heisig) |
| 431 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 3
JLPT level N2
788 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 練習 【レンシュウ】 practice, training, drill, (an) exercise, workout
- 練達 【レンタツ】 expert(ise), skill, dexterity
- 修練 【シュウレン】 training, drill, practice, practising, discipline
- 水練 【スイレン】 swimming practice
Kun reading compounds
- 練る 【ねる】 to knead, to thicken into a paste (stirring over a flame), to polish (a plan, etc.), to refine, to elaborate, to work out, to train, to drill, to exercise, to gloss (silk), to soften, to degum, to tan (leather), to temper (steel), to walk in procession, to parade, to march
- 練り 【ねり】 kneading, gloss, tempering, paste (e.g. bean paste, mustard paste), parading of portable shrines and floats at festivals
- 練り上げる 【ねりあげる】 to knead well, to polish, to refine
Readings
- Japanese names:
- ねり
- Korean:
- ryeon
Spanish
- práctica
- entrenamiento
- ablandar
- ejercitar
Portuguese
- prática
- brilho
- treinar
- exercitar
- polir
- refinar
French
- pratiquer
- lustrer
- s'exercer
- s'entraîner
- perfectionner
- peaufiner
| 2764 | 2001 Kanji |
| 6a8.2 | The Kanji Dictionary |
| 1-6-8 | SKIP code |
| 2599.6 | Four corner code |
| 1-46-93 | JIS X 0208-1997 kuten code |
| 7df4 | Unicode hex code |
Jōyō kanji, taught in grade 3
JLPT level N2
1307 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 炭素 【タンソ】 carbon (C)
- 炭鉱 【タンコウ】 coal mine, (coal) pit, colliery, coal-mine shaft
- 木炭 【モクタン】 charcoal
- 活性炭 【カッセイタン】 activated charcoal, activated carbon
Kun reading compounds
- 炭 【すみ】 charcoal, charred remains
- 炭火 【すみび】 charcoal fire
- 正炭 【しょうすみ】 first adding of charcoal to the fire (tea ceremony)
- 竹炭 【たけすみ】 bamboo charcoal
Readings
- Korean:
- tan
Spanish
- carbón vegetal
- carbón
Portuguese
- carvão
French
- charbon de bois
- charbon
| 274 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 361 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 341 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1007 | A New Dictionary of Kanji Usage |
| 1418 | Classic Nelson (Andrew Nelson) |
| 842 | Essential Kanji (P.G. O’Neill) |
| 713 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1186 | Japanese Names (P.G. O’Neill) |
| 1344 | Kanji and Kana (Spahn and Hadamitzky) |
| 1427 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 875 | Kanji in Context (Nishiguchi and Kono) |
| 1267 | Kodansha Compact Kanji Guide |
| 2806 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1445 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1947 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 778 | Les Kanjis dans la tete (Yves Maniette) |
| 18953 | Morohashi |
| 2257 | New Japanese English Character Dictionary (Jack Halpern) |
| 3413 | New Nelson (John Haig) |
| 771 | Remembering The Kanji (James Heisig) |
| 833 | Remembering The Kanji, 6th edition (James Heisig) |
| 337 | Tuttle Kanji Cards (Alexander Kask) |
| 1262 | 2001 Kanji |
| 3o6.5 | The Kanji Dictionary |
| 2-3-6 | SKIP code |
| 3-5-4 | SKIP code |
| 2228.9 | Four corner code |
| 1-35-26 | JIS X 0208-1997 kuten code |
| 70ad | Unicode hex code |