umlaut

verb

umlauted; umlauting; umlauts

transitive verb

1
: to produce by umlaut
2
: to write or print an umlaut over

Word History

First Known Use

1879, in the meaning defined at sense 1

Time Traveler
The first known use of umlaut was in 1879

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Cite this Entry

“Umlaut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/umlaut. Accessed 10 Jun. 2026.

Kids Definition

umlaut

noun
um·​laut
ˈu̇m-ˌlau̇t
ˈüm-
1
: the change of a vowel brought about by a following sound
2
: a diacritical mark ¨ placed especially over a German vowel to indicate umlaut

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