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.

The O with accent is a commonly used character in many languages, including Spanish, Portuguese, French, German, and Italian. Accents placed on the letter O —such as Ó, Ò, Ô, Õ, and Ö —change …

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.

The letter "O" is the fifteenth letter of the alphabet and a vowel.

O definition: the fifteenth letter of the English alphabet, a vowel. See examples of O used in a sentence.

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.

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

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

Learn how to easily type O with accent marks for various languages. Enhance your typing skills today!

Visit ESPN for live scores, highlights and sports news. Stream exclusive games on ESPN and play fantasy sports.