diaeresis
Sign in to saveAlso known as umlaut, trema, diæresis, dieresis, ¨, ◌̈, diaeresis above, dieresis above
diacritic (U+0308) of two dots written horizontalement above a base letter, used to denote the separation of two consecutive vowels, or to replace the 2nd letter of a digraph modifying the pronunciation of the base letter
~11 min read
Encyclopedic overview
Diaeresis (/daɪˈɛrəsɪs, -ˈɪər-/ dy-ERR-ə-siss, -EER-) is a diacritical mark consisting of two dots (◌̈) that indicates that two adjacent vowel letters are separate syllables – a vowel hiatus (also called a diaeresis) – rather than a digraph or diphthong.
It consists of a two dots diacritic placed over a letter, generally a vowel.
Excerpted from Wikipedia’s “diaeresis” article, available under the CC BY-SA 4.0 licence.