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

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 …

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. …

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

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.

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

O, o (oʊ) n., pl. O's Os, o's os oes. 1. the 15th letter of the English alphabet, a vowel. 2. any spoken sound represented by this letter.

-o is attached to certain nouns and adjectives to form informal nouns or adjectives; these are often used when speaking directly to another: kid + -o → kiddo (= a kid or person); neat + -o → …

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