O, or o, is the fifteenth letter and the fourth vowel letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.

O, the fourth vowel of the modern alphabet, corresponding to the Semitic ayin, which represented a breathing and not a vowel. The Semitic form may have derived from an earlier sign representing an eye.

Accents placed on the letter O —such as Ó, Ò, Ô, Õ, and Ö —change pronunciation, meaning, or grammatical emphasis. Accented O has a unique sound, and its usage varies depending on the …

Ö, or ö, is a character that represents either a letter from several extended Latin alphabets, or the letter "o" modified with an umlaut or diaeresis. Ö, or ö, is a variant of the letter O.

President Trump’s droning State of the Union reeked of “raging dementia,” according to TV host Lawrence O’Donnell, who also savaged Republicans for applauding it. Analyzing the record ...

O is used to mean zero, for example when you are telling someone a phone number, or mentioning a year such as 1908.

Dec 11, 2025 · Learn the various methods and techniques to type the letter O with an accent mark (ò, ó, ô, õ, ö) using your Windows or Mac keyboard.

Definition of O noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Listed below are the keyboard shortcuts or Windows Alt codes for letter O with accents. The accents on the letter O are also called accent marks, diacritics, or diacritical marks.

The fifteenth letter of the English alphabet, called o and written in the Latin script.