O (minuscule: 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.

May 29, 2015 · 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!

What starts with the letter O? From a wise Owl to a yummy Omelet, let’s discover all the amazing "O" words together!This educational short is perfect for pre...

Mar 2, 2026 · View the online menu of OLIVO MEDITERRANEAN FARE and other restaurants in Pine Brook, New Jersey.

Did you know? Words Starting With O Browse 9,760 words and phrases that start with the letter O, from oaf to ozotype.

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. Glossary. …

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

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