| 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 |
Jōyō kanji, taught in grade 2
JLPT level N4
550 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 室 【シツ】 room, wife (of someone of high rank), scabbard, Chinese "Encampment" constellation (one of the 28 mansions)
- 室長 【シツチョウ】 section chief, laboratory manager, office head, room monitor
- 同室 【ドウシツ】 same room, sharing a room, occupying the same room
- 皇室 【コウシツ】 Imperial household
Kun reading compounds
- 室 【むろ】 greenhouse, icehouse, cellar
- 室町 【むろまち】 Muromachi period (1336-1573)
- 石室 【せきしつ】 stone hut, rock chamber, tomb, stone burial chamber
- 氷室 【こおりむろ】 ice house, ice room, cold room
Readings
- Korean:
- sil
Spanish
- habitación
- cuarto
- caverna
- guarida
- gruta
Portuguese
- quarto
- apartamento
- câmara
- estufa
- porão
French
- pièce
- appartement
- chambre
- serre
- cave
| 232 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 152 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 136 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 421 | A New Dictionary of Kanji Usage |
| 1300 | Classic Nelson (Andrew Nelson) |
| 278 | Essential Kanji (P.G. O’Neill) |
| 157 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1183 | Japanese Names (P.G. O’Neill) |
| 3.5 | Japanese for Busy People |
| 166 | Kanji and Kana (Spahn and Hadamitzky) |
| 166 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 331 | Kanji in Context (Nishiguchi and Kono) |
| 477 | Kodansha Compact Kanji Guide |
| 2802 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1442 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1943 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 761 | Les Kanjis dans la tete (Yves Maniette) |
| 7136 | Morohashi |
| 2254 | New Japanese English Character Dictionary (Jack Halpern) |
| 1327 | New Nelson (John Haig) |
| 754 | Remembering The Kanji (James Heisig) |
| 816 | Remembering The Kanji, 6th edition (James Heisig) |
| 176 | Tuttle Kanji Cards (Alexander Kask) |
| 772 | 2001 Kanji |
| 3m6.4 | The Kanji Dictionary |
| 2-3-6 | SKIP code |
| 3010.4 | Four corner code |
| 1-28-28 | JIS X 0208-1997 kuten code |
| 5ba4 | Unicode hex code |