In English, the name of the letter is the "long O" sound, pronounced / ˈoʊ /. In most other languages, its name matches the letter's pronunciation in open syllables. O is used to mean zero, for example when you are telling someone a phone number, or mentioning a year such as 1908.

Context Explanation

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. Learn and practice the o sound! Help the wizards to make o words and captions in this fun Phonics guide from BBC Bitesize.

Insight Material

In this guide you’ll learn how to type these accented O letters on: Click any letter below to copy it, then paste it into your document (Ctrl+V or Command+V). These extended O letters appear in other … o - Wiktionary, the free dictionary. Words Starting With O Browse 9,760 words and phrases that start with the letter O, from oaf to ozotype.