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  1. O - Wikipedia

    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.

  2. Letter O | Sing and Learn the Letters of the Alphabet | Learn the ...

    This super-catchy and clear alphabet song also lets children hear the letter O sound and see each letter at the beginning of five simple words paired with colorful kid-friend images.

  3. O | History, Etymology, & Pronunciation | Britannica

    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 …

  4. O definition and meaning | Collins English Dictionary

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

  5. o - Wiktionary, the free dictionary

    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 …

  6. O Definition & Meaning | Dictionary.com

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

  7. O noun - Definition, pictures, pronunciation and usage notes

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

  8. O - WordReference.com Dictionary of English

    -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 → …

  9. O - Etymology, Origin & Meaning - Etymonline

    In Middle English and later colloquial use, o or o' can be an abbreviation of on or of, and is still literary in some words (o'clock, Jack-o'-lantern, tam-o'-shanter, cat-o'-nine-tails, will-o'-the …

  10. O | meaning of O in Longman Dictionary of Contemporary English …

    O meaning, definition, what is O: the 15th letter of the English alphabet...: Learn more.