| 537 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 900 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 889 | A New Dictionary of Kanji Usage |
| 3374 | Classic Nelson (Andrew Nelson) |
| 1147 | Essential Kanji (P.G. O’Neill) |
| 791 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1209 | Japanese Names (P.G. O’Neill) |
| 1235 | Kanji and Kana (Spahn and Hadamitzky) |
| 1299 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 251 | Kanji in Context (Nishiguchi and Kono) |
| 1472 | Kodansha Compact Kanji Guide |
| 3275 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1692 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2300 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 947 | Les Kanjis dans la tete (Yves Maniette) |
| 25885 | Morohashi |
| 2646 | New Japanese English Character Dictionary (Jack Halpern) |
| 4256 | New Nelson (John Haig) |
| 938 | Remembering The Kanji (James Heisig) |
| 1008 | Remembering The Kanji, 6th edition (James Heisig) |
| 482 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 548 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N3
913 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 笑気 【ショウキ】 laughing gas, nitrous oxide
- 笑気麻酔 【ショウキマスイ】 nitrous oxide anesthesia, laughing gas anesthesia
- 苦笑 【クショウ】 bitter smile, wry smile, strained laugh, sarcastic laugh
- 冷笑 【レイショウ】 sneer, derision, scornful laugh, cold smile
Kun reading compounds
- 笑う 【わらう】 to laugh, to smile, to sneer, to ridicule, to be dumbfounded, to be flabbergasted
- 笑う門には福来る 【わらうかどにはふくきたる】 laugh and grow fat, good fortune and happiness will come to the home of those who smile
- 笑む 【えむ】 to smile
Readings
- Japanese names:
- えみ
- Korean:
- so
Spanish
- risa
- sonrisa
- reír
- sonreír
Portuguese
- risada
French
- rire
| 2363 | 2001 Kanji |
| 6f4.1 | The Kanji Dictionary |
| 2-6-4 | SKIP code |
| 8843.2 | Four corner code |
| 1-30-48 | JIS X 0208-1997 kuten code |
| 7b11 | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
1789 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 渦中 【カチュウ】 vortex, maelstrom, whirlpool, (in the middle of a) scandal, controversy, quarrel, turmoil
- 渦状 【カジョウ】 spiral
- 冷水渦 【レイスイウズ】 cold eddy
- 極渦 【キョクウズ】 polar vortex, polar cell
Kun reading compounds
- 渦 【うず】 whirlpool, swirl, eddy, vortex, maelstrom
- 渦巻き 【うずまき】 whirlpool, maelstrom, vortex, eddy, swirl, spiral (shape, pattern)
- 冷水渦 【れいすいうず】 cold eddy
- 暖水渦 【だんすいうず】 warm eddy
Readings
- Korean:
- wa
Spanish
- remolino de agua
- vórtice
Portuguese
- redemoinho
- turbilhão
French
- tourbillon
- remous
- vortex
| 1048 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1850 | A New Dictionary of Kanji Usage |
| 2629 | Classic Nelson (Andrew Nelson) |
| 1823 | Essential Kanji (P.G. O’Neill) |
| 1485 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1810 | Kanji and Kana (Spahn and Hadamitzky) |
| 1949 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1498 | Kanji in Context (Nishiguchi and Kono) |
| 1218 | Kodansha Compact Kanji Guide |
| 735 | Kodansha Kanji Dictionary (Jack Halpern) |
| 438 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 550 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1301 | Les Kanjis dans la tete (Yves Maniette) |
| 17771 | Morohashi |
| 603 | New Japanese English Character Dictionary (Jack Halpern) |
| 3241 | New Nelson (John Haig) |
| 1292 | Remembering The Kanji (James Heisig) |
| 1387 | Remembering The Kanji, 6th edition (James Heisig) |
| 1558 | Tuttle Kanji Cards (Alexander Kask) |
| 349 | 2001 Kanji |
| 3a9.36 | The Kanji Dictionary |
| 1-3-9 | SKIP code |
| 3712.7 | Four corner code |
| 1-17-18 | JIS X 0208-1997 kuten code |
| 6e26 | Unicode hex code |