DictionaryumlautTwo-dot vowel mark
noun / verb

umlaut

OOM-lowt/ˈʊmlaʊt/

A two-dot mark above a vowel, or the act of adding it.

The pen adds an umlaut by placing two dots above the vowel.

Close-up pen placing exactly two dots above lowercase u, resulting 'ü' centered on paper; only that glyph, no explanations.
Etymology

The pieces express a “change of sound.” The name for a vowel modification also names its written signal; the German mark originally took the form of a small e above the vowel.

More examples

  • My keyboard has a shortcut for typing umlauts.
  • To spell the name correctly, umlaut the u.
  • Leaving out the umlaut can change a German word's pronunciation.

Forms

umlaut · umlauts · umlauted · umlauting

Similar words

diaeresis
Uses the same dots to mark a separately pronounced vowel.
diacritic
Names any pronunciation mark, not specifically a pair of dots.