Definitions for o, o

This page provides all possible meanings and translations of the word o, o

Random House Webster's College Dictionary

O, o(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.

  3. something shaped like anO.

  4. a written or printed representation of the letter O or

    o.

O(interj.; n.)(pl.)O's.

  1. (interj.)(used before a name in direct address, esp. in solemn or poetic language, to lend earnestness to an appeal):

    Hear, O Israel!

  2. (used as an expression of surprise, pain, annoyance, longing, gladness, etc.)

  3. (n.)the exclamation “O.”

Origin of O:

1125–75; ME < OF < L ō

O

  1. Old.

  2. Gram. object.

    Category: Grammar

O*

  1. the 15th in order or in a series.

  2. the Arabic numeral; zero; cipher.

  3. a major blood group.

    Category: Physiology

    Ref: Compare ABO system.

  4. oxygen.

    Category: Chemistry

* Symbol..

o'(prep.)

  1. of:

    o'clock; will-o'-the-wisp.

  2. Chiefly Dial. on.

Origin of o':

ME; by shortening.

O'

  1. a prefix meaning “descendant,” in Irish family names:

    O'Brien; O'Connor.

    Category: Affix

Origin of O':

repr. Ir ó descendant, OIr au

o-

  1. ortho-.

    Category: Chemistry, Affix

o-

  1. var. of ob- before

    m: omission.

    Category: Affix

o-

  1. var. of oo- :

    oidium.

    Category: Affix

-o-

  1. the typical ending of the first element of compounds of Greek origin, used regularly in forming new compounds with elements of Greek origin and often used in English as a connective irrespective of etymology: Franco-Italian; geography; seriocomic; speedometer.

    Category: Affix

    Ref: Compare -i-. 8

Origin of -o-:

ME (< OF) < L < Gk

-o

  1. a suffix occurring as the final element in informal shortenings of nouns (ammo; combo; promo); -o also forms nouns, usu. derogatory, for persons or things exemplifying or associated with that specified by the base noun or adjective (pinko; weirdo; wino).

    Category: Affix

  2. a suffix occurring in informal noun or adjective derivatives, usu. grammatically isolated, as in address:

    kiddo; neato; righto.

    Category: Affix

O.

  1. pint.

    Category: Weights and Measures

  2. October.

  3. Ohio.

Origin of O.:

< L octārius

o.

  1. ocean.

  2. pint.

    Category: Weights and Measures

  3. octavo.

  4. off.

  5. old.

  6. only.

  7. order.

  8. out.

    Category: Sport

Origin of o.:

< L octārius

Kernerman English Learner's Dictionary

  1. O, o(noun)ʊ

    the 15th letter of the alphabet

  2. O, oʊ

    used to mean "zero" when you are speaking

    The last three digits are o one three.

Translation

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