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From Wikipedia, the free encyclopedia

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.



This character doesn’t exist in ASCII.


In Unicode, the majuscule Ɔ is encoded in the Latin Extended-B block at U+0186 and the minuscule ɔ is encoded at U+0254.

In some Windows programs, the lower case ɔ can be typed by pressing Alt + 596 and the capital Ɔ, by pressing Alt + 390.

Similar letters

Johann Martin Schleyer proposed an alternate form with a broken O for Ö in Volapük but it was rarely used.
The first of these Claudian letters is the antisigma.

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

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

See also

The Basic modern Latin alphabet
Aa Bb Cc Dd Ee Ff Gg Hh Ii Jj Kk Ll Mm Nn Oo Pp Qq Rr Ss Tt Uu Vv Ww Xx Yy Zz

history palaeography derivations diacritics punctuation numerals Unicode list of letters ISO/IEC 646


Up to date as of January 15, 2010
(Redirected to ɔ article)

Definition from Wiktionary, a free dictionary




Ɔ ɔ

  1. A letter of the African reference alphabet, preceded by O and followed by P, and representing /ɔ/.



  1. A symbol of the International Phonetic Alphabet (IPA), representing an open-mid back rounded vowel, called open o.

See also

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