| 336 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 434 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 411 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 281 | A New Dictionary of Kanji Usage |
| 34 | Classic Nelson (Andrew Nelson) |
| 859 | Essential Kanji (P.G. O’Neill) |
| 286 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 531 | Japanese Names (P.G. O’Neill) |
| 200 | Kanji and Kana (Spahn and Hadamitzky) |
| 200 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 556 | Kanji in Context (Nishiguchi and Kono) |
| 15 | Kodansha Compact Kanji Guide |
| 4331 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2191 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2949 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1176 | Les Kanjis dans la tete (Yves Maniette) |
| 46 | Morohashi |
| 3518 | New Japanese English Character Dictionary (Jack Halpern) |
| 23 | New Nelson (John Haig) |
| 1168 | Remembering The Kanji (James Heisig) |
| 1252 | Remembering The Kanji, 6th edition (James Heisig) |
| 288 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 275 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 3
JLPT level N3
247 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 両 【リョウ】 both (hands, parents, sides, etc.), counter for carriages (e.g. in a train), counter for vehicles, ryō, tael, traditional unit of weight (for gold, silver and drugs), 4-5 monme, 15-19 g, ryō, pre-Meiji unit of currency, orig. the value of one ryō of gold, ryō, traditional measure of fabric, 2 tan, ryō, tael, unit of weight under the ritsuryō system, 1/16 kin, 42-43 g, counter for suits of clothing, sets of armor, etc.
- 両足 【リョウソク】 both feet, both legs
- 一両 【イチリョウ】 one vehicle, one ryō (an old coin)
- 十両 【ジュウリョウ】 second highest division, wrestlers of the second highest division
Readings
- Japanese names:
- もろ
- Korean:
- ryang
Spanish
- ambos
- contador de vehículos
Portuguese
- ambos
- moeda Japonesa antiga
- nº de veículos
- dois
French
- les deux
- 2
- ryou (ancienne monnaie)
- compteur de wagons
| 3153 | 2001 Kanji |
| 0a6.11 | The Kanji Dictionary |
| 4-6-1 | SKIP code |
| 1022.7 | Four corner code |
| 1-46-30 | JIS X 0208-1997 kuten code |
| 4e21 | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
2143 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 凸 【トツ】 convex
- 凸凹 【デコボコ】 unevenness, roughness, ruggedness, bumpiness, inequality, imbalance, unevenness, difference
- 凹凸 【オウトツ】 unevenness, bumpiness, roughness, ruggedness, imbalance, inequality, unevenness, disparity
- 両凸 【リョウトツ】 biconvex
Kun reading compounds
- 凸 【でこ】 brow, forehead, bump
- 凸凹 【でこぼこ】 unevenness, roughness, ruggedness, bumpiness, inequality, imbalance, unevenness, difference
Readings
- Korean:
- cheol, dol
Spanish
- convexo
- desigual
Portuguese
- convexo
- ímpar
French
- convexe
- inégal
- gros sourcils
| 1667 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1921 | A New Dictionary of Kanji Usage |
| 90 | Classic Nelson (Andrew Nelson) |
| 1882 | Essential Kanji (P.G. O’Neill) |
| 1086 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 323 | Japanese Names (P.G. O’Neill) |
| 1892 | Kanji and Kana (Spahn and Hadamitzky) |
| 2068 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1921 | Kanji in Context (Nishiguchi and Kono) |
| 175 | Kodansha Compact Kanji Guide |
| 4298 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2174 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2928 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 34 | Les Kanjis dans la tete (Yves Maniette) |
| 1809 | Morohashi |
| 3486 | New Japanese English Character Dictionary (Jack Halpern) |
| 443 | New Nelson (John Haig) |
| 34 | Remembering The Kanji (James Heisig) |
| 34 | Remembering The Kanji, 6th edition (James Heisig) |
| 1040 | Tuttle Kanji Cards (Alexander Kask) |
| 3675 | 2001 Kanji |
| 0a5.13 | The Kanji Dictionary |
| 4-5-1 | SKIP code |
| 4-6-1 | SKIP code |
| 4-4-1 | SKIP code |
| 7777.7 | Four corner code |
| 1-38-44 | JIS X 0208-1997 kuten code |
| 51f8 | Unicode hex code |