| 490 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 589 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 560 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 629 | A New Dictionary of Kanji Usage |
| 2797 | Classic Nelson (Andrew Nelson) |
| 300 | Essential Kanji (P.G. O’Neill) |
| 720 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2408 | Japanese Names (P.G. O’Neill) |
| 645 | Kanji and Kana (Spahn and Hadamitzky) |
| 655 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 866 | Kanji in Context (Nishiguchi and Kono) |
| 1283 | Kodansha Compact Kanji Guide |
| 3555 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1834 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2495 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1530 | Les Kanjis dans la tete (Yves Maniette) |
| 19360 | Morohashi |
| 2866 | New Japanese English Character Dictionary (Jack Halpern) |
| 3473 | New Nelson (John Haig) |
| 1516 | Remembering The Kanji (James Heisig) |
| 1634 | Remembering The Kanji, 6th edition (James Heisig) |
| 627 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N3
700 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 熱 【ネツ】 heat, fever, temperature, zeal, passion, enthusiasm, mania, craze, rage
- 熱意 【ネツイ】 zeal, enthusiasm, ardor, ardour
- 発熱 【ハツネツ】 generation of heat, (attack of) fever, pyrexia
- 解熱 【ゲネツ】 lowering a fever, alleviation of fever
Kun reading compounds
- 熱い 【あつい】 hot (to the touch), passionate (feelings, etc.), ardent, hot (e.g. gaze), hot (e.g. temper), zealous, enthusiastic, fired up, intense, severe, extreme, hot (topic), of interest
- 熱い暗黒物質 【あついあんこくぶっしつ】 hot dark matter
Readings
- Japanese names:
- あた
- Korean:
- yeol
Spanish
- calor
- fiebre
- pasión
- caliente
Portuguese
- calor
- temperatura
- febre
- mania
- paixão
French
- chaleur
- fièvre
- température
- manie
- passion
| 1440 | 2001 Kanji |
| 4d11.4 | The Kanji Dictionary |
| 2-11-4 | SKIP code |
| 4433.1 | Four corner code |
| 4533.1 | Four corner code |
| 1-39-14 | JIS X 0208-1997 kuten code |
| 71b1 | Unicode hex code |
Jōyō kanji, taught in grade 6
JLPT level N1
738 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 源 【ゲン】 source, origin
- 源氏 【ゲンジ】 Genji (the character in the Genji Monogatari), the Minamoto family
- 震源 【シンゲン】 hypocentre (of an earthquake), hypocenter, focus
- 財源 【ザイゲン】 source of funds, resources, finances
Kun reading compounds
- 源 【みなもと】 source (of a river), fountainhead, source, origin, root
- 河の源 【かわのみなもと】 fountainhead
Readings
- Japanese names:
- はら、 みな、 もと
- Korean:
- weon
Spanish
- fuente
- origen
Portuguese
- fonte
- origem
French
- source
- origine
| 864 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 853 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 827 | A New Dictionary of Kanji Usage |
| 2656 | Classic Nelson (Andrew Nelson) |
| 893 | Essential Kanji (P.G. O’Neill) |
| 1486 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1863 | Japanese Names (P.G. O’Neill) |
| 580 | Kanji and Kana (Spahn and Hadamitzky) |
| 589 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 854 | Kanji in Context (Nishiguchi and Kono) |
| 1231 | Kodansha Compact Kanji Guide |
| 806 | Kodansha Kanji Dictionary (Jack Halpern) |
| 470 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 600 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 144 | Les Kanjis dans la tete (Yves Maniette) |
| 17926 | Morohashi |
| 656 | New Japanese English Character Dictionary (Jack Halpern) |
| 3274 | New Nelson (John Haig) |
| 142 | Remembering The Kanji (James Heisig) |
| 153 | Remembering The Kanji, 6th edition (James Heisig) |
| 958 | Tuttle Kanji Cards (Alexander Kask) |
| 341 | 2001 Kanji |
| 3a10.25 | The Kanji Dictionary |
| 1-3-10 | SKIP code |
| 3119.6 | Four corner code |
| 1-24-27 | JIS X 0208-1997 kuten code |
| 6e90 | Unicode hex code |