| 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) |
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
| 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 |
Jōyō kanji, taught in grade 2
JLPT level N4
157 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 心 【シン】 heart, mind, spirit, vitality, inner strength, bottom of one's heart, core (of one's character), nature, centre, center, core, heart, heart (organ), Chinese "Heart" constellation (one of the 28 mansions), friend
- 心から 【ココロカラ】 from the bottom of one's heart, heartily, sincerely
- 重心 【ジュウシン】 centre of gravity (center), centroid, barycenter, (one's) balance
- 会心 【カイシン】 congeniality, satisfaction, gratification
Kun reading compounds
- 心 【こころ】 mind, heart, spirit, the meaning of a phrase (riddle, etc.)
- 心意気 【こころいき】 spirit, determination, pluck, mettle
- 我が心 【わがこころ】 my heart
- 静心 【しずごころ】 calm mind, placid temperament
Readings
- Korean:
- sim
Spanish
- corazón
- centro
Portuguese
- coração
- mente
- espírito
French
- coeur
- esprit
- radical coeur (no. 61)
| 95 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 164 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 147 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 139 | A New Dictionary of Kanji Usage |
| 1645 | Classic Nelson (Andrew Nelson) |
| 80 | Essential Kanji (P.G. O’Neill) |
| 172 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 49 | Japanese Names (P.G. O’Neill) |
| 2.14 | Japanese for Busy People |
| 97 | Kanji and Kana (Spahn and Hadamitzky) |
| 97 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 172 | Kanji in Context (Nishiguchi and Kono) |
| 766 | Kodansha Compact Kanji Guide |
| 11 | Kodansha Kanji Dictionary (Jack Halpern) |
| 4 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 4 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 602 | Les Kanjis dans la tete (Yves Maniette) |
| 10295 | Morohashi |
| 11 | New Japanese English Character Dictionary (Jack Halpern) |
| 1780 | New Nelson (John Haig) |
| 595 | Remembering The Kanji (James Heisig) |
| 639 | Remembering The Kanji, 6th edition (James Heisig) |
| 64 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 96 | Tuttle Kanji Cards (Alexander Kask) |
| 358 | 2001 Kanji |
| 4k0.1 | The Kanji Dictionary |
| 1-1-3 | SKIP code |
| 4-4-4 | SKIP code |
| 3300.0 | Four corner code |
| 1-31-20 | JIS X 0208-1997 kuten code |
| 5fc3 | Unicode hex code |