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Writing Systems Technical Resources

Glyph Variant for open o

The “open o” is used in the International Phonetic Alphabet (IPA) as well as by many languages. The glyph the Unicode Consortium (and IPA) use is on the left and the glyph used by many African orthographies is on the right:

Image of the Unicode "open o" glyph and the "open o" glyph used in many African orthographies

U+2183 Ↄ ROMAN NUMERAL REVERSED ONE HUNDRED was added to the Roman numeral block. U+2184 ↄ LATIN SMALL LETTER REVERSED C was added for use as a Claudian letter. We do not recommend their use for anything other than what they were designed for. Please use U+0186 and U+0254 if you need an open o. Then find a font which has the serif where you want it.