O (kana)
o | ||||
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transliteration | o | |||
hiragana origin | 於 | |||
katakana origin | 於 | |||
spelling kana |
大阪のオ (Ōsaka no "o") |
kana gojūon | ||||||||||||||||||||||||||||||||||||||||||||||||||
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In Japanese writing, the kana お (hiragana) and オ (katakana) occupy the fifth place, between え and か, in the modern Gojūon (五十音) system of collating kana. In the Iroha, they occupy the 27th, between の and く. In the table at right (ordered by columns, from right to left), お lies in the first column (あ行, "column A") and the fifth row (お段, "row O"). Both represent [o].
Form | Rōmaji | Hiragana | Katakana |
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Normal a/i/u/e/o (あ行 a-gyō) |
O | お | オ |
Ou Ō |
おう, おぅ おお, おぉ おー, お~ |
オウ, オゥ オオ, オォ オー, オ~ |
Derivation
お and オ originate, via man'yōgana, from the kanji 於.
Variant forms
Scaled-down versions of the kana (ぉ, ォ) are used to express morae foreign to the Japanese language, such as フォ (fo).
Stroke order
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The hiragana お is made with three strokes:
- A horizontal line from left to right.
- A stroke consisting of a vertical line, a small diagonal line going upwards and to the left, and an open curve heading right and downwards.
- A small curved stroke on the right.
The katakana オ is made with three strokes:
- At the top, a horizontal stroke from left to right.
- A downward vertical stroke cutting through the first stroke, with a small hook at the end facing left.
- At the intersection of the first two strokes, a diagonal line going downwards and to the left.
Other communicative representations
Character | お | オ | オ | |||
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Unicode name | HIRAGANA LETTER O | KATAKANA LETTER O | HALFWIDTH KATAKANA LETTER O | |||
Encodings | decimal | hex | decimal | hex | decimal | hex |
Unicode | 12362 | U+304A | 12458 | U+30AA | 65397 | U+FF75 |
UTF-8 | 227 129 138 | E3 81 8A | 227 130 170 | E3 82 AA | 239 189 181 | EF BD B5 |
Numeric character reference | お | お | オ | オ | オ | オ |
Shift JIS | 130 168 | 82 A8 | 131 73 | 83 49 | 181 | B5 |
Character | ぉ | ォ | ォ | |||
---|---|---|---|---|---|---|
Unicode name | HIRAGANA LETTER SMALL O | KATAKANA LETTER SMALL O | HALFWIDTH KATAKANA LETTER SMALL O | |||
Encodings | decimal | hex | decimal | hex | decimal | hex |
Unicode | 12361 | U+3049 | 12457 | U+30A9 | 65387 | U+FF6B |
UTF-8 | 227 129 137 | E3 81 89 | 227 130 169 | E3 82 A9 | 239 189 171 | EF BD AB |
Numeric character reference | ぉ | ぉ | ォ | ォ | ォ | ォ |
Shift JIS | 130 167 | 82 A7 | 131 72 | 83 48 | 171 | AB |
- Braille
お / オ in Japanese Braille | |
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お / オ o | おう / オー ō/ou |
- Japanese semaphore
- Phonetic alphabet: 「大阪のオ」 ("o as in Osaka")
- Morse code: ・-・・・
Look up お, ぉ, オ, or ォ in Wiktionary, the free dictionary. |