EDIT Articulation

+ German [o:]
+ English [oʊ]
+ French [o]

+ Source //
Mangold, Max. Duden. Das Aussprachewörterbuch. 6. Auflage. Bibliographisches
Institut F. A. Brockhaus AG: Mannheim, 2005.

 FrauFriedrich 

EDIT International Phonetic Alphabet

+ Cardinal Vowel no. 7
+ Example in German // Boot (boat) [bo:t]
+ Sound example

+ Alternatives // unknown
+ Former versions // unknown
+ Origin // Latin alphabet, small letter

+ In the IPA since 1887
+ IPA number 307

+ This sound can be found in Arabic, Czech, Dutch, French, German, Hungarian, Italian, Korean, Norwegian, Portuguese, Swedish and Vietnamese.


Synonyms

English
+ Official name in the IPA // ›close-mid back rounded vowel‹
+ Nonstandard // closed ›o‹


+ 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