Ordinal Numbers in English – Rules, List, Usage Examples Ordinal numbers in English show the position or order of things—like first, second, third, and so on They’re used all the time in everyday English, whether you’re talking about dates, competitions, floors in a building, or steps in a process
Eighteenth - Wikipedia Eighteenth is the ordinal form of the number 18 Eighteenth or 18th may also refer to: A fraction, 1⁄18th, equal to one of 18 equal parts 18th of the month, a recurring calendar date 18th birthday, the age of majority in a substantial majority of countries
eighteenth - Wiktionary, the free dictionary Noun eighteenth (plural eighteenths) The person or thing in the eighteenth position One of eighteen equal parts of a whole (informal) A party to celebrate an eighteenth birthday
Eighteenth - definition of eighteenth by The Free Dictionary eighteenth (ˈeɪˈtiːnθ) adj (Mathematics) (usually prenominal) a coming after the seventeenth in numbering or counting order, position, time, etc; being the ordinal number of eighteen: often written 18th