| 178 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 102 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 249 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 744 | A New Dictionary of Kanji Usage |
| 1414 | Classic Nelson (Andrew Nelson) |
| 821 | Essential Kanji (P.G. O’Neill) |
| 487 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 942 | Japanese Names (P.G. O’Neill) |
| 1345 | Kanji and Kana (Spahn and Hadamitzky) |
| 1428 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 457 | Kanji in Context (Nishiguchi and Kono) |
| 538 | Kodansha Compact Kanji Guide |
| 2778 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1423 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1921 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 777 | Les Kanjis dans la tete (Yves Maniette) |
| 7985 | Morohashi |
| 2235 | New Japanese English Character Dictionary (Jack Halpern) |
| 1461 | New Nelson (John Haig) |
| 770 | Remembering The Kanji (James Heisig) |
| 832 | Remembering The Kanji, 6th edition (James Heisig) |
| 156 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 2
JLPT level N2
787 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 岩盤 【ガンバン】 bedrock
- 岩石 【ガンセキ】 rock
- 砂岩 【サガン】 sandstone
- 石灰岩 【セッカイガン】 limestone
Kun reading compounds
- 岩 【いわ】 rock, boulder, crag
- 岩間 【いわま】 among rocks
- 一枚岩 【いちまいいわ】 monolith, large slab of rock, unity (of a group, organization, etc.), unanimity, solidarity
- 浮岩 【うきいわ】 rock partially submerged in water, rock partially emerging from the water, pumice stone
Readings
- Korean:
- am
Spanish
- roca
Portuguese
- rochedo
- rocha
- penhedo
French
- rocher
- roc
- falaise
| 1277 | 2001 Kanji |
| 3o5.10 | The Kanji Dictionary |
| 2-3-5 | SKIP code |
| 2260.1 | Four corner code |
| 1-20-68 | JIS X 0208-1997 kuten code |
| 5ca9 | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
1216 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 圏 【ケン】 sphere, circle, range, area, zone, bloc, category
- 圏内 【ケンナイ】 inside (a region, area, etc.), within the range (of), within the sphere (of influence, etc.)
- 成層圏 【セイソウケン】 stratosphere
- 勢力圏 【セイリョクケン】 sphere of influence
Readings
- Korean:
- gweon
Spanish
- esfera
- círculo
- radio
- rango
Portuguese
- esfera
- círculo
- raio
- série
French
- sphère
- domaine
- bloc
- orbite
- rayon
- zone
| 1216 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1402 | A New Dictionary of Kanji Usage |
| 1045 | Classic Nelson (Andrew Nelson) |
| 1160 | Essential Kanji (P.G. O’Neill) |
| 1147 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 508 | Kanji and Kana (Spahn and Hadamitzky) |
| 517 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1251 | Kanji in Context (Nishiguchi and Kono) |
| 345 | Kodansha Compact Kanji Guide |
| 3904 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2012 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2714 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1216 | Les Kanjis dans la tete (Yves Maniette) |
| 4815P | Morohashi |
| 3148 | New Japanese English Character Dictionary (Jack Halpern) |
| 960 | New Nelson (John Haig) |
| 1208 | Remembering The Kanji (James Heisig) |
| 1293 | Remembering The Kanji, 6th edition (James Heisig) |
| 1511 | Tuttle Kanji Cards (Alexander Kask) |
| 1056 | 2001 Kanji |
| 3s9.1 | The Kanji Dictionary |
| 3-3-9 | SKIP code |
| 6071.7 | Four corner code |
| 1-23-87 | JIS X 0208-1997 kuten code |
| 570f | Unicode hex code |