UNDULATION Meaning of UNDULATION in English undulation BrE AmE ˌʌnd ju ˈleɪʃ ə n ˌʌndʒ u- AmE \ ˌʌndʒ ə- ˌʌnd jə-, -ə- ▷ undulation|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012