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.

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

Noun [edit] o(pluraloes) The name of the Latin-scriptletter O/o. A zero(used in reading out numbers). It is currently two-o-five in the afternoon (2:05 PM). The first permanent English settlement in America …

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

6 days ago · 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.

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

O is the fifteenth (number 15) letter in the English alphabet and it has a shape of a circle. It appears after “N” and before “P”.

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