| 4942 | Classic Nelson (Andrew Nelson) |
| 4114 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2830 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 41214 | Morohashi |
| 6383 | New Nelson (John Haig) |
| 2774 | Remembering The Kanji (James Heisig) |
| 2796 | Remembering The Kanji, 6th edition (James Heisig) |
Stroke order
On reading compounds
- 閃亜鉛鉱 【センアエンコウ】 sphalerite, zinc blende
- 閃ウラン鉱 【センウランコウ】 uraninite
- 一閃 【イッセン】 flash (of light), glint
- 電光一閃 【デンコウイッセン】 flash of lightning
Kun reading compounds
- 閃く 【ひらめく】 to flash (e.g. lightning), to flicker, to glitter, to sparkle, to gleam, to flutter (e.g. flag), to wave, to undulate, to flash into one's mind (e.g. an idea), to come to one suddenly
- 閃き 【ひらめき】 flair, flash, insight, flash (of inspiration, wit, etc.), waving (e.g. of a flag in the wind)
Readings
- Korean:
- seom
Spanish
Portuguese
French
| 8e2.1 | The Kanji Dictionary |
| 3-8-2 | SKIP code |
| 7780.7 | Four corner code |
| 1-33-14 | JIS X 0208-1997 kuten code |
| 9583 | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N5
12 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 長 【チョウ】 head, chief, leader, elder, merit, strong point, superiority, major
- 長官 【チョウカン】 secretary (government), director, chief
- 体長 【タイチョウ】 length (of an animal), body length
- 医長 【イチョウ】 medical director, chief physician
Kun reading compounds
- 長い 【ながい】 long (distance, length), long (time), protracted, prolonged
- 長居 【ながい】 long visit, overstaying
- 長 【おさ】 head, chief, leader, the greatest (of all the ...)
- 【オサガメ】 leatherback turtle (Dermochelys coriacea)
- 田長 【たおさ】 master of the rice field, chief farmer, lesser cuckoo (Cuculus poliocephalus)
- 死出田長 【しでたおさ】 lesser cuckoo (Cuculus poliocephalus)
Readings
- Japanese names:
- お、 おしゃ、 たかし、 たけ、 な、 は、 ひさ
- Korean:
- jang
Spanish
- largo
- jefe
- sobresaliente
Portuguese
- Longo
- ambicionar
- líder
- chefe
French
- long
- chef
| 116 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 189 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 173 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 25 | A New Dictionary of Kanji Usage |
| 4938 | Classic Nelson (Andrew Nelson) |
| 155 | Essential Kanji (P.G. O’Neill) |
| 95 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 939 | Japanese Names (P.G. O’Neill) |
| 2.20 | Japanese for Busy People |
| 95 | Kanji and Kana (Spahn and Hadamitzky) |
| 95 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 89 | Kanji in Context (Nishiguchi and Kono) |
| 1837 | Kodansha Compact Kanji Guide |
| 3163 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1626 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2212 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1939 | Les Kanjis dans la tete (Yves Maniette) |
| 41100 | Morohashi |
| 2556 | New Japanese English Character Dictionary (Jack Halpern) |
| 6379 | New Nelson (John Haig) |
| 1920 | Remembering The Kanji (James Heisig) |
| 2070 | Remembering The Kanji, 6th edition (James Heisig) |
| 90 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 161 | Tuttle Kanji Cards (Alexander Kask) |
| 3465 | 2001 Kanji |
| 0a8.2 | The Kanji Dictionary |
| 2-5-3 | SKIP code |
| 4-8-1 | SKIP code |
| 7173.2 | Four corner code |
| 1-36-25 | JIS X 0208-1997 kuten code |
| 9577 | Unicode hex code |
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
| 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) |
| 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 |