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(Ueno no "u")
う in hiragana or ウ in katakana (romanised u) is one of the Japanese kana, each of which represents one mora. In the modern Japanese system of alphabetical order, they occupy the third place in the modern Gojūon (五十音) system of collating kana. In the Iroha, they occupied the 24th position, between む and ゐ. In the Gojūon chart (ordered by columns, from right to left), う lies in the first column (あ行, "column A") and the third row (う段, "row U"). Both represent the sound [u͍]. In the Ainu language, the small katakana ゥ represents a diphthong, and is written as w in the Latin alphabet.
|Other additional forms|
The hiragana form with dakuten, ゔ, representing the sound "v", is rarely seen on older words, since the sound doesn't occur in native Japanese words. However, it is becoming more common with Western influences.
Variant forms 
Scaled-down versions of the characters (ぅ, ゥ) are used to create new morae that do not exist in the Japanese language, such as トゥ (tu). This convention is relatively new, and many older loanwords do not use it. For example, in the phrase Tutankhamun's cartouche, the recent loan cartouche uses the new phonetic technique, but the older loan Tutankhamun uses ツ (tsu) as an approximation:
Tsutankāmen no karutūshu
The character う is also used, in its full-sized form, to lengthen "o" sounds. For example, the word 構想 is written in hiragana as こうそう (kousou), pronounced kōsō. In a few words the character お (o) is used instead for morphological or historical reasons.
Stroke order 
The hiragana う is written in two strokes:
- At the top of the character, a short diagonal crook: proceeding diagonally downwards from the left, then reversing direction and ending at the lower left.
- A broad curving stroke: beginning at the left, rising slightly, then curving back and ending at the left.
The katakana ウ is written in three strokes:
- At the top of the character, a short vertical stroke, written from top to bottom.
- A similar stroke, but lower and positioned at the left.
- A broad angled stroke: beginning as a horizontal line written from left to right, then reversing direction and proceeding downwards from right to left as a curved diagonal. The horizontal line must touch both the other strokes. Apart from the short diagonal, the character is identical to フ.
Other communicative representations 
|Unicode name||HIRAGANA LETTER U||KATAKANA LETTER U||HALFWIDTH KATAKANA LETTER U||HALFWIDTH KATAKANA LETTER SMALL U|
|UTF-8||227 129 134||E3 81 86||227 130 166||E3 82 A6||239 189 179||EF BD B3||239 189 169||EF BD A9|
|Numeric character reference||う||う||ウ||ウ||ｳ||ｳ||ｩ||ｩ|
|Shift JIS||130 164||82 A4||131 69||83 45||179||B3||169||A9|
|Unicode name||HIRAGANA LETTER SMALL U||KATAKANA LETTER SMALL U||HIRAGANA LETTER VU||KATAKANA LETTER VU|
|UTF-8||227 129 133||E3 81 85||227 130 165||E3 82 A5||227 130 148||E3 82 94||227 131 180||E3 83 B4|
|Numeric character reference||ぅ||ぅ||ゥ||ゥ||ゔ||ゔ||ヴ||ヴ|
|Shift JIS||130 163||82 A3||131 68||83 44||131 148||83 94|
|う / ウ in Japanese Braille|
|う / ウ
|ゔ / ヴ
|うう / ウー
|ゔう / ヴー
|Look up う, ぅ, ウ, or ゥ in Wiktionary, the free dictionary.|