Definitions for diaeresisdaɪˈɛr ə sɪs; -ˌsiz
Random House Webster's College Dictionary
di•aer•e•sisdaɪˈɛr ə sɪs; -ˌsiz(n.)(pl.)-ses
umlaut, dieresis, diaeresis(noun)
a diacritical mark (two dots) placed over a vowel in German to indicate a change in sound
A diacritic placed over a vowel letter indicating that it is sounded separately, usually forming a distinct syllable, as in , , .
The separation of a vowel, often a diphthong, into two distinct syllables.
A natural break in rhythm when a word ends at the end of a metrical foot, in a line of verse.
alt. of Dieresis