EDIT International Phonetic Alphabet

+ Vowel

+ Alternatives // ϶ (U+03F6) or ɜ (U+025C) combined with rhotic hook ›˞‹ (U+02DE)
+ Former versions // unknown
+ Origin // Latin alphabet, small letter

+ IPA number 327

+ This sound can be found in some German dialects and English.


Synonyms

English
+ Official name in the IPA // ›R-coloured mid central vowel‹


+ Source //
Principles of the International Phonetic Association, London, 1949. /
Journal of the International Phonetic Association, 1989. /
Wikipedia. Die Liste der IPA-Zeichen & History of the International Phonetic Alphabet. /
Handbook of the International Phonetic Association: A Guide to the Use of the International Phonetic Alphabet. /
Pullum, Geoffrey and William A. Ladusaw. Phonetic Symbol Guide. Second edition.

 FrauFriedrich