| 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 grade 3
JLPT level N4
368 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 究明 【キュウメイ】 investigation (esp. in academic and scientific contexts)
- 究極 【キュウキョク】 ultimate, final, last, eventual
- 最新研究 【サイシンケンキュウ】 the newest research
- 学究 【ガッキュウ】 scholar, student
- 究竟 【クキョウ】 culmination, conclusion
- 究竟 【クッキョウ】 after all, in the end, finally, excellent, superb, handy, appropriate, ideal, robust, brawny, muscular, strong, sturdy
Kun reading compounds
- 究める 【きわめる】 to investigate thoroughly, to research thoroughly, to master, to understand completely
Readings
- Japanese names:
- きゅ
- Korean:
- gu
Spanish
- estudio
- investigación
- profundización
- último
- final
- dominar
- profundizar en el estudio de
Portuguese
- pesquisa
- estudo
French
- recherche
- étudier
| 185 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 271 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 253 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 427 | A New Dictionary of Kanji Usage |
| 3314 | Classic Nelson (Andrew Nelson) |
| 599 | Essential Kanji (P.G. O’Neill) |
| 234 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 492 | Japanese Names (P.G. O’Neill) |
| 2.8 | Japanese for Busy People |
| 895 | Kanji and Kana (Spahn and Hadamitzky) |
| 917 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 298 | Kanji in Context (Nishiguchi and Kono) |
| 1451 | Kodansha Compact Kanji Guide |
| 2729 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1398 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1885 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1331 | Les Kanjis dans la tete (Yves Maniette) |
| 25409 | Morohashi |
| 2203 | New Japanese English Character Dictionary (Jack Halpern) |
| 4189 | New Nelson (John Haig) |
| 1320 | Remembering The Kanji (James Heisig) |
| 1417 | Remembering The Kanji, 6th edition (James Heisig) |
| 261 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 278 | Tuttle Kanji Cards (Alexander Kask) |
| 757 | 2001 Kanji |
| 3m4.5 | The Kanji Dictionary |
| 2-3-4 | SKIP code |
| 2-5-2 | SKIP code |
| 3041.7 | Four corner code |
| 1-21-70 | JIS X 0208-1997 kuten code |
| 7a76 | Unicode hex code |