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umlaut

[ oom-lout ]
/ ˈʊm laʊt /
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noun
Phonetics, Orthography. a diacritic (¨) used 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 (def. 2).
Also called vowel mutation .Linguistics, Phonetics. (in Germanic languages) assimilation in which a vowel is influenced by a following vowel or semivowel.
verb (used with object)
Linguistics, Phonetics. to modify by umlaut.
Phonetics, Orthography. 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. 2022

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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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