| 694 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 389 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 563 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 809 | A New Dictionary of Kanji Usage |
| 483 | Classic Nelson (Andrew Nelson) |
| 866 | Essential Kanji (P.G. O’Neill) |
| 323 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1025 | Japanese Names (P.G. O’Neill) |
| 87 | Kanji and Kana (Spahn and Hadamitzky) |
| 87 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 158 | Kanji in Context (Nishiguchi and Kono) |
| 111 | Kodansha Compact Kanji Guide |
| 122 | Kodansha Kanji Dictionary (Jack Halpern) |
| 80 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 90 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1001 | Les Kanjis dans la tete (Yves Maniette) |
| 760 | Morohashi |
| 108 | New Japanese English Character Dictionary (Jack Halpern) |
| 252 | New Nelson (John Haig) |
| 992 | Remembering The Kanji (James Heisig) |
| 1067 | Remembering The Kanji, 6th edition (James Heisig) |
| 364 | Tuttle Kanji Cards (Alexander Kask) |
double, twice, times, fold
- On:
- バイ
Jōyō kanji, taught in grade 3
JLPT level N2
714 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 倍 【バイ】 double, twice (as much), times (as much), -fold, 1-nth, 1 to n, 1 in n
- 倍増 【バイゾウ】 doubling, double
- 逓倍 【テイバイ】 multiplication (e.g. of frequencies)
- 倍々 【バイバイ】 doubling (repeatedly), multiplying
Readings
- Japanese names:
- べ、 ます
- Korean:
- bae, pae
Spanish
- doble
- veces
Portuguese
- Duplicar
- duas vezes
- tempos
- dobra
French
- double
- deux fois
- fois
- plier (en 2)
| 2177 | 2001 Kanji |
| 2a8.14 | The Kanji Dictionary |
| 1-2-8 | SKIP code |
| 2026.1 | Four corner code |
| 1-39-60 | JIS X 0208-1997 kuten code |
| 500d | Unicode hex code |
Jōyō kanji, taught in grade 1
JLPT level N4
491 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 音 【オン】 sound, noise, (speech) sound, Chinese-derived reading of a kanji
- 音楽 【オンガク】 music
- 爆音 【バクオン】 (sound of an) explosion or detonation, roar (of a machine)
- 防音 【ボウオン】 soundproofing
- 音信 【オンシン】 correspondence, news, letter, tidings
- 鸚哥 【インコ】 true parrot (esp. small parrots such as the parakeet, lory and conure)
- 玉音 【ギョクオン】 the Emperor's voice, beautiful voice, beautiful sound
- 唐音 【トウオン】 tō-on, Tang reading, on reading of a kanji based on Song dynasty and later Chinese
Kun reading compounds
- 音 【おと】 sound, noise, (musical) note, fame
- 音孔 【おとあな】 tone hole
- 鈍い音 【にぶいおと】 dull sound, muffled sound
- 風音 【かざおと】 sound of the wind
- 音 【ね】 sound, tone, note, ring, chirp
- 音色 【ねいろ】 tone color, tone colour, tone quality, timbre
- 弱音 【よわね】 feeble complaint, whine
- 高音 【こうおん】 high-pitched tone, soprano
Readings
- Japanese names:
- お、 と
- Korean:
- eum
Spanish
- sonido
- ruido
Portuguese
- som
- barulho
French
- son
- bruit
| 50 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 33 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 6 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 402 | A New Dictionary of Kanji Usage |
| 5110 | Classic Nelson (Andrew Nelson) |
| 206 | Essential Kanji (P.G. O’Neill) |
| 274 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 962 | Japanese Names (P.G. O’Neill) |
| 3.18 | Japanese for Busy People |
| 347 | Kanji and Kana (Spahn and Hadamitzky) |
| 347 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 620 | Kanji in Context (Nishiguchi and Kono) |
| 1879 | Kodansha Compact Kanji Guide |
| 2570 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1312 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1783 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 490 | Les Kanjis dans la tete (Yves Maniette) |
| 43265 | Morohashi |
| 2070 | New Japanese English Character Dictionary (Jack Halpern) |
| 6607 | New Nelson (John Haig) |
| 479 | Remembering The Kanji (James Heisig) |
| 518 | Remembering The Kanji, 6th edition (James Heisig) |
| 78 | Tuttle Kanji Cards (Alexander Kask) |
| 478 | 2001 Kanji |
| 5b4.3 | The Kanji Dictionary |
| 2-2-7 | SKIP code |
| 2-5-4 | SKIP code |
| 0060.1 | Four corner code |
| 1-18-27 | JIS X 0208-1997 kuten code |
| 97f3 | Unicode hex code |