EDIT schwa This symbol, a rotated lowercase letter "e", is used in the International Phonetic Alphabet to represent the "mid central unrounded vowel", which, for example, is used in the second syllable of the English word "harmony".
EDIT International Phonetic Alphabet
+ Example in English // about [əˈbaʊt]
+ Sound example
+ Alternatives // unknown
+ Former versions // unknown
+ Origin // Latin alphabet, small letter
+ Visual characterisation // small letter e rotated 180°
+ In the IPA since 1887
+ IPA number 322
+ This sound can be found in Albanian, Armenian, Catalan, English, German and Portuguese.
+ Official name in the IPA // ›mid central vowel‹
+ Nonstandard // unstressed ›e‹
+ Turned e
+ Rotated e
+ 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.
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