DIAERESIS Meaning of DIAERESIS in English diaer|esis BrE AmE daɪ ˈɪər |əs ɪs -ˈer-, -ɪs ɪs, § -əs AmE -ˈer-▷ diaer|eses ə siːz ɪ- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012