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umlaut

[ oom-lout ]
/ ˈʊm laʊt /
Linguistics
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noun
a mark (¨) used as a diacritic over a vowel, as ä, ö, ü, to indicate a vowel sound different from that of the letter without the diacritic, especially as so used in German.Compare dieresis.
Also called vowel mutation. (in Germanic languages) assimilation in which a vowel is influenced by a following vowel or semivowel.
verb (used with object)
to modify by umlaut.
to write an umlaut over.
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Origin of umlaut

1835–45; <German, equivalent to um- about (i.e., changed) + Laut sound

Words nearby umlaut

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use umlaut in a sentence

British Dictionary definitions for umlaut

umlaut
/ (ˈʊmlaʊt) /

noun
the mark (¨) placed over a vowel in some languages, such as German, indicating modification in the quality of the vowelCompare diaeresis
(esp in Germanic languages) the change of a vowel within a word brought about by the assimilating influence of a vowel or semivowel in a preceding or following syllable

Word Origin for umlaut

C19: German, from um around (in the sense of changing places) + Laut sound
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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