O with tilde
|The Cyrillic script|
O with tilde (О̃ о̃; italics: О̃ о̃) is a letter of the Cyrillic script. In all its forms it looks exactly like the Latin letter O with tilde (Õ õ Õ õ).
O with tilde is used in the Khinalug language where it represents a nasalized close-mid back rounded vowel /õ/.