Mar 2, 2024 · If you’re discussing a position or order, use 18th. Remember, cardinal numbers (such as 18) denote quantity or amount, while ordinal numbers (such as 18th) indicate position or order.

When writing ordinal numbers such as 1st, 2nd, 3rd, etc. you should use the last two letters on the word as it would be if you wrote out the whole word. Below are the ordinal numbers both written out and …

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us / eɪtˈtinθ / Add to word list (in the position of) the number 18 in a series; 18th:

coming after the seventeenth in numbering or counting order, position, time, etc; being the ordinal number of eighteen: often written 18th

Political boundaries at the beginning of year 1700 Storming of the Bastille, 14 July 1789, an iconic event of the French Revolution. Development of the Watt steam engine in the la

EIGHTEENTH definition: next after the seventeenth; being the ordinal number for 18. See examples of eighteenth used in a sentence.

Nov 27, 2025 · One of eighteen equal parts of a whole. (informal) A party to celebrate an eighteenth birthday.

Definition of eighteenth ordinal number in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Oct 8, 2017 · Define 18th. 18th synonyms, 18th pronunciation, 18th translation, English dictionary definition of 18th. Adj. 1. 18th - coming next after the seventeenth in position eighteenth ordinal - …