diaeresis

noun

di·​aer·​e·​sis dī-ˈer-ə-səs How to pronounce diaeresis (audio)
British also -ˈir-
variants or dieresis
plural diaereses dī-ˈer-ə-ˌsēz How to pronounce diaeresis (audio)
British also -ˈir-
or diereses
1
: a mark ¨ placed over a vowel to indicate that the vowel is pronounced in a separate syllable (as in naïve or Brontë) compare umlaut
2
: the break in a verse caused by the coincidence of the end of a foot with the end of a word

Examples of diaeresis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Examples include Spanish or French words like jalapeño (tilde), fiancé (acute), très (accent grave), Noël (diaeresis), façade (cedilla) or hôpital (circumflex). — Marc Saltzman, USA TODAY, 19 Mar. 2022

Word History

Etymology

Late Latin diaeresis, from Greek diairesis, literally, division, from diairein to divide, from dia- + hairein to take

First Known Use

circa 1611, in the meaning defined at sense 1

Time Traveler
The first known use of diaeresis was circa 1611

Browse Nearby Words

Cite this Entry

“Diaeresis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diaeresis. Accessed 27 Sep. 2026.

Kids Definition

diaeresis

noun
di·​aer·​e·​sis
variants or dieresis
dī-ˈer-ə-səs
plural diaereses or diereses
-ˈer-ə-ˌsēz
: a mark ¨ placed over a vowel to show that it is pronounced in a separate syllable (as in naïve or Brontë)

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