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Open O

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Ɔ ɔ
Ɔ ɔ

Open o (majuscule: Ɔ, minuscule: ɔ) is a letter of the extended Latin alphabet. In the International Phonetic Alphabet, it represents the open-mid back rounded vowel. It is used in the orthographies of many African languages using the African reference alphabet.

The Yucatec Maya language used Ɔ as a consonant in the orthography of the Colonial period. Now dz or tz' is preferred.

Contents

UnicodeEdit

Character Ɔ ɔ
Unicode name LATIN CAPITAL LETTER OPEN O LATIN SMALL LETTER OPEN O
Encodings decimal hex decimal hex
Unicode 390 U+0186 596 U+0254
UTF-8 198 134 C6 86 201 148 C9 94
Numeric character reference Ɔ Ɔ ɔ ɔ

On the Mac OS U.S. Extended keyboard, ɔ and Ɔ can be typed with ⌥ Option+: followed by c or C.

On a personal computer, ɔ can be typed by holding the ALT key and typing 596 on the number keypad. The capital Ɔ can be typed similarly by using ALT+390.

Related charactersEdit

Descendants and related characters in the Latin alphabetEdit

  • Ɔ with diacritics: ɔ́ ɔ̀ ɔ̃ [1]
  • Uralic Phonetic Alphabet-specific symbols related to Ɔ :[2]
    • U+1D10 LATIN LETTER SMALL CAPITAL OPEN O
    • U+1D12 LATIN SMALL LETTER SIDEWAYS OPEN O
    • U+1D53 MODIFIER LETTER SMALL OPEN O

Similar looking lettersEdit

 
The first of these Claudian letters is the antisigma.

Open o looks like a reversed letter 'C'. Claudius introduced a Ɔ (the antisigma) with the intention of replacing bs and ps.

The Norwegian and Danish explanatory symbol (forklaringstegnet) can be typeset using the open o followed by a colon, thus: ɔ:. It is used for the meaning "namely", "id est", "scilicet" or similar and can be likened to the therefore sign (∴)[3].

See alsoEdit

ReferencesEdit

  1. ^ Constable, Peter (2004-04-19). "L2/04-132 Proposal to add additional phonetic characters to the UCS" (PDF).
  2. ^ Everson, Michael; et al. (2002-03-20). "L2/02-141: Uralic Phonetic Alphabet characters for the UCS" (PDF).
  3. ^ http://www.typografi.org/forklaringstegn/forklaringstegn.html