umlaut

Từ điển Oxford Advanced Learner 8th

um·laut f1 [umlaut umlauts umlauted umlauting] BrE [ˈʊmlaʊt] NAmE [ˈʊmlaʊt] noun
the mark placed over a vowel in some languages to show how it should be pronounced, as over the u in the German word für
compare ↑acute accent, ↑circumflex, ↑grave ², ↑tilde

Word Origin:
mid 19th cent.: from German Umlaut, from um ‘about’ + Laut ‘sound’.

• Từ đồng nghĩa / Synonyms:
  dieresis, diaeresis