| 945 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 932 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1164 | A New Dictionary of Kanji Usage |
| 2153 | Classic Nelson (Andrew Nelson) |
| 917 | Essential Kanji (P.G. O’Neill) |
| 605 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1882 | Japanese Names (P.G. O’Neill) |
| 635 | Kanji and Kana (Spahn and Hadamitzky) |
| 645 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 339 | Kanji in Context (Nishiguchi and Kono) |
| 994 | Kodansha Compact Kanji Guide |
| 1274 | Kodansha Kanji Dictionary (Jack Halpern) |
| 690 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 922 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1968 | Les Kanjis dans la tete (Yves Maniette) |
| 14064X | Morohashi |
| 1011 | New Japanese English Character Dictionary (Jack Halpern) |
| 2502 | New Nelson (John Haig) |
| 1949 | Remembering The Kanji (James Heisig) |
| 2099 | Remembering The Kanji, 6th edition (James Heisig) |
| 964 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 6
JLPT level N1
1371 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 暖 【ダン】 warming, warmth
- 暖冬 【ダントウ】 mild winter, warm winter
- 寒暖 【カンダン】 cold and heat, (degree of) temperature
- 床暖 【ユカダン】 underfloor heating
- 呑気 【ノンキ】 easy, easygoing, carefree, happy-go-lucky, optimistic, leisurely, careless, thoughtless
- 暖簾 【ノレン】 (short) curtain hung at shop entrance, split curtain used to divide spaces in a house, reputation (of a store), good name, credit, goodwill
Kun reading compounds
- 暖か 【あたたか】 warm, mild, genial
- 暖かい 【あたたかい】 warm, mild, (pleasantly) hot, considerate, kind, genial, warm (of a colour), mellow, having enough money
- 暖かい 【あたたかい】 warm, mild, (pleasantly) hot, considerate, kind, genial, warm (of a colour), mellow, having enough money
- 暖かい色 【あたたかいいろ】 warm color, warm colour
- 温まる 【あたたまる】 to warm oneself, to sun oneself, to warm up, to get warm
- 温める 【あたためる】 to warm (up), to heat (up), to sit on (an idea, plan, etc.), to keep to oneself, to nurse, to mull over, to renew (an old friendship), to take for oneself
Readings
- Korean:
- nan, hweon
Spanish
- templado
- cálido
- caliente
- calentar
Portuguese
- caloroso
French
- chaleur
| 3867 | 2001 Kanji |
| 4c9.4 | The Kanji Dictionary |
| 1-4-9 | SKIP code |
| 6204.7 | Four corner code |
| 1-35-40 | JIS X 0208-1997 kuten code |
| 6696 | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
1359 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 炉 【ロ】 hearth, fireplace, furnace, kiln
- 炉心 【ロシン】 nuclear reactor core
- 原子炉 【ゲンシロ】 atomic reactor, nuclear reactor
- 高炉 【コウロ】 blast furnace
Readings
- Korean:
- ro
Spanish
- chimenea
- horno
- fundición
Portuguese
- lareira
- forno
- fornalha
- reator
French
- fournaise
- foyer
- four
- réacteur
| 1934 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1414 | A New Dictionary of Kanji Usage |
| 2750 | Classic Nelson (Andrew Nelson) |
| 1726 | Essential Kanji (P.G. O’Neill) |
| 1511 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1790 | Kanji and Kana (Spahn and Hadamitzky) |
| 1926 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1802 | Kanji in Context (Nishiguchi and Kono) |
| 1266 | Kodansha Compact Kanji Guide |
| 1079 | Kodansha Kanji Dictionary (Jack Halpern) |
| 583 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 772 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1089 | Les Kanjis dans la tete (Yves Maniette) |
| 18902X | Morohashi |
| 869 | New Japanese English Character Dictionary (Jack Halpern) |
| 3403 | New Nelson (John Haig) |
| 1080 | Remembering The Kanji (James Heisig) |
| 1161 | Remembering The Kanji, 6th edition (James Heisig) |
| 1209 | Tuttle Kanji Cards (Alexander Kask) |
| 1160 | 2001 Kanji |
| 4d4.2 | The Kanji Dictionary |
| 1-4-4 | SKIP code |
| 1-1-7 | SKIP code |
| 9387.7 | Four corner code |
| 9382.7 | Four corner code |
| 1-47-07 | JIS X 0208-1997 kuten code |
| 7089 | Unicode hex code |