| 1074 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 577 | A New Dictionary of Kanji Usage |
| 2254 | Classic Nelson (Andrew Nelson) |
| 1608 | Essential Kanji (P.G. O’Neill) |
| 1430 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1212 | Kanji and Kana (Spahn and Hadamitzky) |
| 1275 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 986 | Kanji in Context (Nishiguchi and Kono) |
| 1089 | Kodansha Compact Kanji Guide |
| 1162 | Kodansha Kanji Dictionary (Jack Halpern) |
| 628 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 836 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1534 | Les Kanjis dans la tete (Yves Maniette) |
| 14743 | Morohashi |
| 927 | New Japanese English Character Dictionary (Jack Halpern) |
| 2660 | New Nelson (John Haig) |
| 1520 | Remembering The Kanji (James Heisig) |
| 1638 | Remembering The Kanji, 6th edition (James Heisig) |
| 1348 | Tuttle Kanji Cards (Alexander Kask) |
nucleus, core, kernel
- On:
- カク
Jōyō kanji, taught in junior high
JLPT level N1
475 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 核 【カク】 stone (of a fruit), pit, pip, core (of an organization, team, etc.), nucleus, heart, nuclear weapons, nucleus (of an atom), nucleus (of a cell), condensation nucleus, (planetary) core, ring (in a cyclic compound), kernel, core, nucleus (of a cultured pearl)
- 核家族 【カクカゾク】 nuclear family
- 中核 【チュウカク】 kernel, core, nucleus, center, centre
- 放射性同位核 【ホウシャセイドウイカク】 radioisotope
Readings
- Korean:
- haeg
Spanish
- semilla
- núcleo
- centro
- meollo
Portuguese
- núcleo
- centro
- cerne
French
- noyau
- nucléaire
- coeur
| 1862 | 2001 Kanji |
| 4a6.22 | The Kanji Dictionary |
| 1-4-6 | SKIP code |
| 4098.2 | Four corner code |
| 1-19-43 | JIS X 0208-1997 kuten code |
| 6838 | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N4
157 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 心 【シン】 heart, mind, spirit, vitality, inner strength, bottom of one's heart, core (of one's character), nature, centre, center, core, heart, heart (organ), Chinese "Heart" constellation (one of the 28 mansions), friend
- 心から 【ココロカラ】 from the bottom of one's heart, heartily, sincerely
- 重心 【ジュウシン】 centre of gravity (center), centroid, barycenter, (one's) balance
- 会心 【カイシン】 congeniality, satisfaction, gratification
Kun reading compounds
- 心 【こころ】 mind, heart, spirit, the meaning of a phrase (riddle, etc.)
- 心意気 【こころいき】 spirit, determination, pluck, mettle
- 我が心 【わがこころ】 my heart
- 静心 【しずごころ】 calm mind, placid temperament
Readings
- Korean:
- sim
Spanish
- corazón
- centro
Portuguese
- coração
- mente
- espírito
French
- coeur
- esprit
- radical coeur (no. 61)
| 95 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 164 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 147 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 139 | A New Dictionary of Kanji Usage |
| 1645 | Classic Nelson (Andrew Nelson) |
| 80 | Essential Kanji (P.G. O’Neill) |
| 172 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 49 | Japanese Names (P.G. O’Neill) |
| 2.14 | Japanese for Busy People |
| 97 | Kanji and Kana (Spahn and Hadamitzky) |
| 97 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 172 | Kanji in Context (Nishiguchi and Kono) |
| 766 | Kodansha Compact Kanji Guide |
| 11 | Kodansha Kanji Dictionary (Jack Halpern) |
| 4 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 4 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 602 | Les Kanjis dans la tete (Yves Maniette) |
| 10295 | Morohashi |
| 11 | New Japanese English Character Dictionary (Jack Halpern) |
| 1780 | New Nelson (John Haig) |
| 595 | Remembering The Kanji (James Heisig) |
| 639 | Remembering The Kanji, 6th edition (James Heisig) |
| 64 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 96 | Tuttle Kanji Cards (Alexander Kask) |
| 358 | 2001 Kanji |
| 4k0.1 | The Kanji Dictionary |
| 1-1-3 | SKIP code |
| 4-4-4 | SKIP code |
| 3300.0 | Four corner code |
| 1-31-20 | JIS X 0208-1997 kuten code |
| 5fc3 | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N2
904 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 触媒 【ショクバイ】 catalyst
- 触発 【ショクハツ】 detonation by contact, contact detonation, touching off (something), triggering, sparking, provocation, inspiration
- 鎧袖一触 【ガイシュウイッショク】 (beating someone) hands down, with a single blow
- 濃厚接触 【ノウコウセッショク】 close contact (with an infected person)
Kun reading compounds
- 触れる 【ふれる】 to touch, to feel, to touch (with), to experience, to come in contact with, to perceive, to touch on (a subject), to allude to, to refer to, to mention, to bring up, to be in conflict with, to violate (law, copyright, etc.), to infringe, to proclaim, to make known, to spread (e.g. a rumour)
- 触る 【さわる】 to touch, to feel, to get involved (with), to approach, to be harmful to, to hinder, to interfere with, to irritate
- 触る 【さわる】 to touch, to feel, to get involved (with), to approach, to be harmful to, to hinder, to interfere with, to irritate
- 触らぬ神に祟りなし 【さわらぬかみにたたりなし】 let sleeping dogs lie, wake not a sleeping lion, the spirit you do not approach will not curse you
Readings
- Korean:
- chog
Spanish
- tocar
- percibir
- mencionar
- proclamar
- anunciar
Portuguese
- contato
- tocar
- sentir
- acesso
- proclamar
- anunciar
- conflito
French
- contact
- toucher
- sentir
- frapper
- proclamer
- annoncer
- conflit
| 1428 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1256 | A New Dictionary of Kanji Usage |
| 4305 | Classic Nelson (Andrew Nelson) |
| 945 | Essential Kanji (P.G. O’Neill) |
| 893 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 874 | Kanji and Kana (Spahn and Hadamitzky) |
| 894 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1382 | Kanji in Context (Nishiguchi and Kono) |
| 1652 | Kodansha Compact Kanji Guide |
| 1914 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1018 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1376 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1830 | Les Kanjis dans la tete (Yves Maniette) |
| 35070 | Morohashi |
| 1518 | New Japanese English Character Dictionary (Jack Halpern) |
| 5547 | New Nelson (John Haig) |
| 1813 | Remembering The Kanji (James Heisig) |
| 1954 | Remembering The Kanji, 6th edition (James Heisig) |
| 1663 | Tuttle Kanji Cards (Alexander Kask) |
| 2571 | 2001 Kanji |
| 6d7.10 | The Kanji Dictionary |
| 1-7-6 | SKIP code |
| 2523.6 | Four corner code |
| 1-31-08 | JIS X 0208-1997 kuten code |
| 89e6 | Unicode hex code |