/ ˌeɪˈtiːn; NAmE / number 18
► eight·eenth / ˌeɪˈtiːnθ; NAmE / ordinal number , noun
HELP NOTE : There are examples of how to use ordinal numbers at the entry for fifth .
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WORD ORIGIN
Old English e(a)htatēne (from eight and -teen ).
/ ˌeɪˈtiːn; NAmE / number 18
► eight·eenth / ˌeɪˈtiːnθ; NAmE / ordinal number , noun
HELP NOTE : There are examples of how to use ordinal numbers at the entry for fifth .
••
WORD ORIGIN
Old English e(a)htatēne (from eight and -teen ).
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005