[oom-lout] Linguistics.
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.

1835–45; < German, equivalent to um- about (i.e., changed) + Laut sound Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To umlaut
World English Dictionary
umlaut (ˈʊmlaʊt)
1.  Compare diaeresis the mark (¨) placed over a vowel in some languages, such as German, indicating modification in the quality of the vowel
2.  (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
[C19: German, from um around (in the sense of changing places) + Laut sound]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

1852, from Ger., "change of sound," from um "about" (see ambi-) + laut "sound," from O.H.G. hlut (see listen). Coined 1774 by poet Friedrich Gottlieb Klopstock (1724-1803) but first used in its current sense 1819 by linguist Jakob Grimm (1785-1863).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
Provision is made for an umlaut and other diacritical marks, but these are dropped in common usage.
Nearby Words
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature