noun. a diacritical mark (two dots) placed over a vowel in German to indicate a change in sound.
- diacritical mark
- διαίρεσις (Ancient Greek (to 1453))
Example sentences of the word dieresis
1. Noun, singular or mass
The three core accents in Spanish are the acute accent, used with á, é, í, ó and ú, the dieresis used with ü, and the tilde used with ñ.