O

Definition from Wiktionary, a free dictionary

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The Universal Character Set
LetterO.svg
Unicode name LATIN CAPITAL LETTER O
Basic Latin U+004F

Contents

[edit] Translingual

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[edit] Letter

O upper case (lower case o)

  1. The fifteenth letter of the basic modern Latin alphabet.

[edit] See also

[edit] Symbol

O

  1. (chemistry) Symbol for oxygen.
  2. (mathematics) The upper bound function also known as big O.

[edit] See also

Other representations of O:


[edit] English

[edit] Pronunciation

[edit] Abbreviation

O

  1. (cricket) The number of overs bowled.

[edit] Letter

Singular
O

Plural
O's

O (plural O's)

  1. The fifteenth letter of the English alphabet, preceded by N and followed by P.
  2. A blood type that lacks A or B antigens and may only receive transfusions of similar type O blood, but may donate to all (neglecting Rh factor). Synonym: universal donor.
  3. (printing) American Library Association Abbreviation of octavo, a book size (20-25 cm).

[edit] Particle

O

  1. (grammar) The English vocative particle (always in upper case), used for direct address in translations from languages which have the vocative case.
    O foolish Galatians, who hath bewitched you, that ye should not obey the truth, before whose eyes Jesus Christ hath been evidently set forth, crucified among you? -- Galatians 3:1

[edit] Derived terms

[edit] Usage notes

This is one of the few grammatical particles English has, and it is borrowed via the various translations of the Bible. Irish is the last Indo-European language which does have it (as a full-blown grammatical case, unlike English, not resurrected but rather preserved), and indeed does it with the capital O.

[edit] Interjection

O

  1. Expression of earnestness or reverence, used before the name of a deity or revered person in impassioned speech.

[edit] Synonyms


[edit] American Sign Language

[edit] Letter

O (Stokoe O)

  1. The letter O

[edit] Dutch

[edit] Pronunciation

  • (letter name): IPA: /oː/

[edit] Letter

O (capital, lowercase o)

  1. The fifteenth letter of the Dutch alphabet.

[edit] See also

  • Previous letter: N
  • Next letter: P

[edit] Italian

[edit] Pronunciation

[edit] Noun

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O m. and f. inv.

  1. The thirteenth letter of the Italian alphabet
  2. The fifteenth letter of the Latin alphabet

[edit] Romanian

[edit] Pronunciation

[edit] Letter

O (capital, lowercase o)

  1. The eighteenth letter of the Romanian alphabet representing the phoneme /o/. Preceded by N and followed by P.

[edit] Usage notes

When followed by the letter a, a dipthong representing the phoneme /o̯a/ is formed, as in foarte /'fo̯ar.te/


[edit] Slovene

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[edit] Pronunciation

[edit] Letter

O (capital, lowercase o)

  1. The 16th letter of the Slovene alphabet. Preceded by N and followed by P.

[edit] Spanish

[edit] Letter

O (upper case, lower case o)

  1. The 18th letter of the Spanish alphabet.