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 …

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

Learn all about the Letter O, with Jackson! Can you make the O sound? How many words do you know starting with the Letter O? Time to learn the alphabet!

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

o - Wiktionary, the free dictionary. Jump to content. Main menu. move to sidebarhide. Navigation . Main page. Community portal. Requested entries. Recent changes. Random entry. Help. …

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

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

O, o definition: 1. the 15th letter of the English alphabet 2. used in speech to mean zero: 3. used when talking to…. Learn more.