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Õ

Not to be confused with Ő, O with double acute.

"Õ", or "õ" is a composition of the Latin letter O with the diacritic mark tilde.

The HTML entity is Õ for Õ and õ for õ.

Estonian

In Estonian, Õ is the 27th letter of the alphabet (between W and Ä), representing the close-mid back unrounded vowel sound [ɤ]. The vowel had previously been marked with Ö, but in early 19th century, Otto Wilhelm Masing adopted the letter Õ, ending the confusion between several homographs and showing clearly how to pronounce a word.

In informal writing eg. emails, instant messaging and when using foreign keyboard layouts where the letter Õ is not available, some Estonians use the character 6 to approximate this letter, and yet others use the character ø. It is a variation of "O".

Portuguese

In the Portuguese language, the symbol Õ stands for a nasal close-mid back rounded vowel, also written [õ] in IPA. It is not considered an independent letter of the alphabet.

Vietnamese

In the Vietnamese language, the symbol Õ stands for the sound [ɔ] with creaky voice (rising tone with a glottal break followed by a continuation of the rising tone). Vietnamese also has derived letters Ỗ/ỗ and Ỡ/ỡ.

Encoding problems

Due to character encoding confusion, the letters can be seen on many incorrectly coded Hungarian web pages, representing Ő/ő (letter O with double acute accent). This can happen due to said characters sharing a code point in the ISO 8859-1 and 8859-2 character sets, as well as the Windows-1252 and Windows-1250 character sets, and the web site designer forgetting to set the correct code page. Õ and õ are not part of the Hungarian alphabet.

See also

• Ã
• Tilde