umlaut

(noun, verb)

noun

1. a diacritical mark (two dots) placed over a vowel to indicate a change in sound in some languages

Definition categories: communication, diacritic

verb

1. (transitive) To place an umlaut over (a vowel).

2. (linguistics, transitive) To modify (a word) so that an umlaut is required in it.

- an umlauting vowel