di·aer·e·sis
noun/daɪˈerəsɪs/
/daɪˈerəsɪs/
(British English) (US English dieresis)
(plural diaereses, diereses
(specialist)/daɪˈerəsiːz/
/daɪˈerəsiːz/
)- the mark placed over a vowel to show that it is pronounced separately, as in naïve
放在元音上的标记，表明它是单独发音的，如 naïve Word Originlate 16th cent. (denoting the division of one syllable into two): via Latin from Greek diairesis ‘separation’, from diairein ‘take apart’, from dia ‘apart’ + hairein ‘take’.