| 204 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 290 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 272 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 426 | A New Dictionary of Kanji Usage |
| 3180 | Classic Nelson (Andrew Nelson) |
| 583 | Essential Kanji (P.G. O’Neill) |
| 231 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 875 | Japanese Names (P.G. O’Neill) |
| 2.8 | Japanese for Busy People |
| 896 | Kanji and Kana (Spahn and Hadamitzky) |
| 918 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 297 | Kanji in Context (Nishiguchi and Kono) |
| 1398 | Kodansha Compact Kanji Guide |
| 1456 | Kodansha Kanji Dictionary (Jack Halpern) |
| 771 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1046 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 682 | Les Kanjis dans la tete (Yves Maniette) |
| 24080 | Morohashi |
| 1132 | New Japanese English Character Dictionary (Jack Halpern) |
| 3991 | New Nelson (John Haig) |
| 675 | Remembering The Kanji (James Heisig) |
| 729 | Remembering The Kanji, 6th edition (James Heisig) |
| 284 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 325 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 3
JLPT level N4
336 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 研究員 【ケンキュウイン】 researcher, lab worker
- 研究 【ケンキュウ】 study, research, investigation
- 予研 【ヨケン】 National Institute of Health
- 技研 【ギケン】 technical research institute
Kun reading compounds
- 研ぐ 【とぐ】 to sharpen, to hone, to whet, to grind, to wash (rice), to scour, to polish, to burnish
Readings
- Japanese names:
- のり
- Korean:
- yeon
Spanish
- estudio
- afilar
- pulir
Portuguese
- polir
- estudar
- afiar
French
- polir
- étudier
- aiguiser
| 3355 | 2001 Kanji |
| 5a4.1 | The Kanji Dictionary |
| 1-5-4 | SKIP code |
| 1164.0 | Four corner code |
| 1-24-06 | JIS X 0208-1997 kuten code |
| 7814 | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
1722 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 澄徹 【チョウテツ】 clearness (e.g. sky), transparency
- 澄明 【チョウメイ】 clear and bright
- 清澄 【セイチョウ】 clear, serene
- 明澄 【メイチョウ】 lucid, clear
Kun reading compounds
- 澄む 【すむ】 to become clear (water, air, etc.), to become transparent, to resonate clearly (e.g. voice), to become serene, to become tranquil, to be free of worries, to pronounce as an unvoiced sound
- 澄ます 【すます】 to clear, to make clear, to be unruffled, to look unconcerned, to feign indifference, to look demure, to look prim, to put on airs, to strain (one's ears), to listen carefully
Readings
- Japanese names:
- きよ、 すす、 すみ、 み
- Korean:
- jing
Spanish
- clarificar
- aclarar
- ajustar cuentas
- asentarse
Portuguese
- lucidez
- limpar-se
- limpar
- esclarecer
- colocar
- esforçar
- olhar sério
French
- limpide
- clair
- clarifier
- lucidité
- se dégager
- tendre (l'oreille)
- attitude composée
| 1597 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1637 | A New Dictionary of Kanji Usage |
| 2699 | Classic Nelson (Andrew Nelson) |
| 1455 | Essential Kanji (P.G. O’Neill) |
| 1505 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2276 | Japanese Names (P.G. O’Neill) |
| 1334 | Kanji and Kana (Spahn and Hadamitzky) |
| 1417 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1510 | Kanji in Context (Nishiguchi and Kono) |
| 1253 | Kodansha Compact Kanji Guide |
| 915 | Kodansha Kanji Dictionary (Jack Halpern) |
| 517 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 674 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1720 | Les Kanjis dans la tete (Yves Maniette) |
| 18315 | Morohashi |
| 740 | New Japanese English Character Dictionary (Jack Halpern) |
| 3333 | New Nelson (John Haig) |
| 1704 | Remembering The Kanji (James Heisig) |
| 1839 | Remembering The Kanji, 6th edition (James Heisig) |
| 1780 | Tuttle Kanji Cards (Alexander Kask) |
| 373 | 2001 Kanji |
| 3a12.11 | The Kanji Dictionary |
| 1-3-12 | SKIP code |
| 3211.8 | Four corner code |
| 1-32-01 | JIS X 0208-1997 kuten code |
| 6f84 | Unicode hex code |