O (kana)
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|
 |
| kana - gojūon | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n | wa | ra | ya | ma | ha | na | ta | sa | ka | a | |
| tsu | wi | ri | mi | hi | ni | chi | shi | ki | i | ||
| ゛ | ru | yu | mu | fu | nu | tsu | su | ku | u | ||
| ー | we | re | me | he | ne | te | se | ke | e | ||
| wo | ro | yo | mo | ho | no | to | so | ko | o | ||
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").
The pronunciation of お/オ is usually transcribed [o]; more precisely, it is [o̜ ̞] or [ɔ̜ ̝].
| Form | Rōmaji | Hiragana | Katakana |
|---|---|---|---|
| Normal a/i/u/e/o (あ行 a-gyō) |
o | お | オ |
| ou oo, oh ō |
おう, おぅ おお, おぉ おー |
オウ, オゥ オオ, オォ オー |
[edit] Derivation
お and オ originate, via man'yōgana, from the kanji 於.
[edit] 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).
[edit] Representations in other writing systems
| －● ●－ －－ |
- Phonetic alphabet: 「大阪のオ」 ("o as in Osaka")
- Morse code: ・－・・・
