DIERESES
DIERESIS
dieresis, diaeresis
(noun) a diacritical mark (two dots) placed over a vowel to indicate that it does not form a diphthong with an adjacent vowel
Source: WordNet® 3.1
Noun
diereses
plural of dieresis
Source: Wiktionary
DIERESIS
Di*ær"e*sis, Di*er"e*sis, n.; pl. Diæreses or Diereses. Etym: [L.
diaeresis, Gr. Heresy.]
1. (Gram.)
Definition: The separation or resolution of one syllable into two; -- the
opposite of synæresis.
2. A mark consisting of two dots [..], placed over the second of two
adjacent vowels, to denote that they are to be pronounced as distinct
letters; as, coöperate, aërial.
Di*er"e*sis, n. Etym: [NL.]
Definition: Same as Diæresis.
Source: Webster’s Unabridged Dictionary 1913 Edition