Definitions of o

  1. O, the fifteenth letter of the English alphabet, derives its form, value, and name from the Greek O, through the Latin. The letter came into the Greek from the Pho is most closely related to a, e, and u; as in E. bone, AS. bn; E. stone, AS. stn; E. broke, AS. brecan to break; E. bore, AS. beran to bear; E. dove, AS. dfe; E. toft, tuft; tone, tune; number, F. nombre. dictgcide_fs
  2. the fifteenth letter and fourth vowel of our alphabet, its sound intermediate between a and u--with three values in English, the name-sound heard in note, the shorter sound heard in not, and the neutral vowel heard in son: as a numeral, 'nothing,' or 'zero' (formerly O=11, and ([=O])=11,000): (chem.) the symbol of oxygen: anything round or nearly so (pl. O'S, OES, pron. [=o]z). gutenberg.org/ebooks/37683
  3. OH, [=o], interj. an exclamation of wonder, pain, desire, fear, &c. The form oh is the more usual in prose.--O HONE! OCH HONE! an Irish exclamation of lamentation. [A.S. eá.] gutenberg.org/ebooks/37683
  4. usually written o', an abbrev. for of and on. gutenberg.org/ebooks/37683
  5. Abbreviation for (1) Opening; (2) eye (Oculus) ; (3) pint (Octarius). (4) Symbol for oxygen. na
  6. letter (pl. Os, O\'s, Oes). O-shaped mark, circle, (esp. round O). Abbreviations (1): old, as O.S. (tyle), O.T. (estament), old English (nglish), old high German (high German); on, O.H.M.S. (his or her majesty\'s service); opposite. o.p. (rompter); order, as O.M. (of merit), O.S.B. (of St Benedict); ordinary, O.S. (eaman); over, o.p. (roof); (facet.) all, O.K. (correct). Abbreviations (2): ob. (iit); Obad. (iah, O.T. book); oct. (avo); Ol. (ympiad); Ont. (ario); op. (us); Ore. (gon); Oxon., Oxfordshire, bishop of Oxford; oz., ounce (s). Concise Oxford Dictionary
  7. int. prefixed to vocative name (O), or expressing various emotions (usu. oh if separated by punctuation, otherwise O. O dear me!; O for a breathing-space!; Oh, what a lie!; Oh, is that so?). [middle English] Concise Oxford Dictionary
  8. Irish names, as O\'Connor. Concise Oxford Dictionary
  9. prep. short for of, on, still in some phrases, as (=of) o\'clock, Jack-o\'-lantern, Will-o\'-the-wisp, man-o\'-war, (=on) cannot sleep o\'nights. Concise Oxford Dictionary
  10. Symbol of oxygen; abbreviation for oculus, eye; octarius, pint; opening. American pocket medical dictionary.
  11. Chemical symbol for the element oxygen. Appleton's medical dictionary.
  12. In chemistry an abbreviation for ortho-. Appleton's medical dictionary.
  13. the fifteenth letter and the fourth vowel in the English alphabet, has several different sounds ; a long sound, as in bone, tone; a short sound, as in lot, cot; a subdued sound, as in move (moov), prove (proov), and this last sound contracted, as in foot (foot), loot (loot). As a numeral, O stands for 11, and with a dash over it 11000. It is also the usual character for a cipher or nought. As an abbreviation it stands for old. Cabinet Dictionary

What are the misspellings for o?