| 171 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 261 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 241 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 80 | A New Dictionary of Kanji Usage |
| 4950 | Classic Nelson (Andrew Nelson) |
| 550 | Essential Kanji (P.G. O’Neill) |
| 270 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1821 | Japanese Names (P.G. O’Neill) |
| 2.13 | Japanese for Busy People |
| 396 | Kanji and Kana (Spahn and Hadamitzky) |
| 400 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 215 | Kanji in Context (Nishiguchi and Kono) |
| 1840 | Kodansha Compact Kanji Guide |
| 4121 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2092 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2835 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1636 | Les Kanjis dans la tete (Yves Maniette) |
| 41233 | Morohashi |
| 3321 | New Japanese English Character Dictionary (Jack Halpern) |
| 6393 | New Nelson (John Haig) |
| 1622 | Remembering The Kanji (James Heisig) |
| 1750 | Remembering The Kanji, 6th edition (James Heisig) |
| 290 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 391 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 3
JLPT level N4
59 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 開花 【カイカ】 flowering, blooming, blossoming, coming into bloom, flowering (of a civilization, talent, etc.), blossoming, blooming, bearing fruit (of efforts)
- 開演 【カイエン】 curtain raising, starting (e.g. play, concert)
- 疎開 【ソカイ】 evacuation (to the country), spreading out (troops), deployment, dispersal
- 非公開 【ヒコウカイ】 private, non-public, secret, closed-door, closed
Kun reading compounds
- 開く 【ひらく】 to open, to undo, to unseal, to unpack, to bloom, to unfold, to spread out, to open (for business, e.g. in the morning), to be wide (gap, etc.), to widen, to hold (meeting, party, etc.), to give, to open, to found (nation, dynasty, sect, etc.), to open (a new business), to set up, to establish, to start, to open (ports, borders, etc.), to open (an account), to open up (new land, path, etc.), to clear, to develop, to open (a file, etc.), to extract (root), to reduce (equation), to cut open (fish), to change (kanji into hiragana), to flare (e.g. skirt), to slacken (into a poor posture)
- 開き 【ひらき】 opening, gap, dried and opened fish
- 開き直る 【ひらきなおる】 to become defiant, to fight back, to turn upon, to take the offensive
- 開ける 【ひらける】 to open out (of a view, scenery, etc.), to spread out, to become clear (of a road, visibility, etc.), to open up, to improve (of luck, prospects, etc.), to get better, to develop (of a town, civilization, etc.), to become civilized, to modernize, to grow, to advance (of knowledge, ideas, etc.), to be sensible, to be understanding, to be enlightened, to open (of a new road, railway, etc.), to be opened to traffic, to become populous, to become densely built, to become bustling
- 開く 【あく】 to open (e.g. doors), to open (e.g. business, etc.), to be empty, to be vacant, to be available, to be free, to be open (e.g. neckline, etc.), to have been opened (of one's eyes, mouth, etc.), to come to an end, to open (one's eyes, mouth, etc.), to have a hole, to form a gap, to have an interval (between events)
- 開ける 【あける】 to open (a door, etc.), to unwrap (e.g. parcel, package), to unlock, to open (for business, etc.), to empty, to remove, to make space, to make room, to move out, to clear out, to be away from (e.g. one's house), to leave (temporarily), to dawn, to grow light, to end (of a period, season), to begin (of the New Year), to leave (one's schedule) open, to make time (for), to make (a hole), to open up (a hole)
Readings
- Japanese names:
- はる、 か、 ひらき
- Korean:
- gae
Spanish
- abrir
- desdoblar
- dar comienzo
- abrirse
- estar abierto
Portuguese
- abrir
- desdobrar
- deslacrar
French
- ouvrir
- s'ouvrir
- briser le sceau
| 3855 | 2001 Kanji |
| 8e4.6 | The Kanji Dictionary |
| 3-8-4 | SKIP code |
| 7744.1 | Four corner code |
| 1-19-11 | JIS X 0208-1997 kuten code |
| 958b | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
1041 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 裂孔ヘルニア 【レツコウヘルニア】 hiatal hernia, hiatus hernia
- 裂肉歯 【レツニクシ】 carnassial, carnassial tooth
- 核分裂 【カクブンレツ】 nuclear fission, karyokinesis (division of a cell nucleus during mitosis or meiosis)
- 炸裂 【サクレツ】 violent explosion, bursting
Kun reading compounds
- 裂く 【さく】 to tear, to rip up, to cut up, to cleave, to cut open (esp. the abdomen), to forcibly separate (e.g. two lovers), to spare (time, money, etc.), to use part of something, to have a tattoo in the corner of one's eye
- 裂ける 【さける】 to split, to tear, to burst, to be separated, to be divided
Readings
- Korean:
- ryeol
Spanish
- hendidura
- escisión
- desgarramiento
- hender
- rasgar
- desgarrar
- desgarrarse
- agrietarse
Portuguese
- partir
- arrancar
- lágrimas
French
- fente
- déchirer
- arracher
| 1930 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1332 | A New Dictionary of Kanji Usage |
| 4233 | Classic Nelson (Andrew Nelson) |
| 1277 | Essential Kanji (P.G. O’Neill) |
| 1728 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1330 | Kanji and Kana (Spahn and Hadamitzky) |
| 1413 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1371 | Kanji in Context (Nishiguchi and Kono) |
| 1626 | Kodansha Compact Kanji Guide |
| 3331 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1727 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2347 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 821 | Les Kanjis dans la tete (Yves Maniette) |
| 34260 | Morohashi |
| 2687 | New Japanese English Character Dictionary (Jack Halpern) |
| 5453 | New Nelson (John Haig) |
| 813 | Remembering The Kanji (James Heisig) |
| 876 | Remembering The Kanji, 6th edition (James Heisig) |
| 1581 | Tuttle Kanji Cards (Alexander Kask) |
| 3165 | 2001 Kanji |
| 5e6.7 | The Kanji Dictionary |
| 2-6-6 | SKIP code |
| 1273.2 | Four corner code |
| 1-46-86 | JIS X 0208-1997 kuten code |
| 88c2 | Unicode hex code |
fermentation
- On:
- コウ
Jōyō kanji, taught in junior high
JLPT level N1
1862 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 酵素 【コウソ】 enzyme
- 酵母 【コウボ】 yeast, leaven
- 並行複発酵 【ヘイコウフクハッコウ】 multiple parallel fermentation (esp. in sake brewing)
- 精密発酵 【セイミツハッコウ】 precision fermentation (use of microbial hosts, such as bacteria and yeast, to produce specific biomolecules)
Readings
- Korean:
- hyo
Spanish
- fermento
- fermentación
Portuguese
- fermentação
French
- fermentation
| 1265 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1602 | A New Dictionary of Kanji Usage |
| 4787 | Classic Nelson (Andrew Nelson) |
| 1589 | Essential Kanji (P.G. O’Neill) |
| 1836 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1866 | Kanji and Kana (Spahn and Hadamitzky) |
| 2026 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1595 | Kanji in Context (Nishiguchi and Kono) |
| 1795 | Kodansha Compact Kanji Guide |
| 1966 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1047 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1413 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1442 | Les Kanjis dans la tete (Yves Maniette) |
| 39868 | Morohashi |
| 1561 | New Japanese English Character Dictionary (Jack Halpern) |
| 6175 | New Nelson (John Haig) |
| 1430 | Remembering The Kanji (James Heisig) |
| 1538 | Remembering The Kanji, 6th edition (James Heisig) |
| 1734 | Tuttle Kanji Cards (Alexander Kask) |
| 3247 | 2001 Kanji |
| 7e6.1 | The Kanji Dictionary |
| 1-7-7 | SKIP code |
| 1-7-6 | SKIP code |
| 1464.7 | Four corner code |
| 1-25-58 | JIS X 0208-1997 kuten code |
| 9175 | Unicode hex code |
Jōyō kanji, taught in grade 5
JLPT level N1
660 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 素 【ソ】 plain, white silk, prime
- 素案 【ソアン】 rough plan, draft
- 栄養素 【エイヨウソ】 nutrient
- 酵素 【コウソ】 enzyme
- 素 【ス】 one's nature, one's feelings, oneself, plain, unadorned, undecorated, unadulterated, au naturel, mere, poor, exceedingly
- 素顔 【スガオ】 face with no make-up, unpainted face, true face (of a country, celebrity, etc.), real face, true picture, real nature, sober face, sobriety
- 空素 【カラス】 dealt hand containing only 1-point cards (scoring combination)
- 鉤素 【ハリス】 snell (fishing), leader, trace, cast
Kun reading compounds
- 元 【もと】 origin, source, beginning, basis, base, foundation, root, cause, (raw) material, ingredient, base, mix (e.g. for a cake), (soup) stock, (one's) side, capital, principal, cost price, root (of a plant), (tree) trunk, part (of a brush, chopsticks, etc.) one holds (with the hand), first three lines of a waka, counter for plants or trees, counter for falcons (in falconry)
- 元より 【もとより】 from the beginning, from the first, all along, originally, of course, not to mention ..., not only ... but also ..., to say nothing of ...
- 味の素 【あじのもと】 Ajinomoto, brand name of monosodium glutamate (MSG)
- 味の素 【あじのもと】 Ajinomoto Co. Inc.
Readings
- Korean:
- so
Spanish
- materia prima
- elemental
- normal
- usual
Portuguese
- elementar
- princípio
- descoberto
- nu
French
- élément
- principe
- nu
- découvert
| 658 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 759 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 737 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 717 | A New Dictionary of Kanji Usage |
| 3511 | Classic Nelson (Andrew Nelson) |
| 797 | Essential Kanji (P.G. O’Neill) |
| 1623 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1707 | Japanese Names (P.G. O’Neill) |
| 271 | Kanji and Kana (Spahn and Hadamitzky) |
| 271 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 636 | Kanji in Context (Nishiguchi and Kono) |
| 1506 | Kodansha Compact Kanji Guide |
| 3108 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1590 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2171 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1546 | Les Kanjis dans la tete (Yves Maniette) |
| 27300 | Morohashi |
| 2458 | New Japanese English Character Dictionary (Jack Halpern) |
| 4456 | New Nelson (John Haig) |
| 1532 | Remembering The Kanji (James Heisig) |
| 1652 | Remembering The Kanji, 6th edition (James Heisig) |
| 500 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 716 | Tuttle Kanji Cards (Alexander Kask) |
| 1441 | 2001 Kanji |
| 6a4.12 | The Kanji Dictionary |
| 2-4-6 | SKIP code |
| 5090.3 | Four corner code |
| 1-33-39 | JIS X 0208-1997 kuten code |
| 7d20 | Unicode hex code |