The 18th century lasted from 1 January 1701 (represented by the Roman numerals MDCCI) to 31 December 1800 (MDCCC). During the 18th century, elements of Enlightenment thinking …

Mar 5, 2024 · Ordinal numbers are used to represent position or rank in a sequence, and they are usually formed by adding the suffix “-th” to the cardinal number. However, there are a few …

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

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

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 …

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

May 31, 2021 · Learn about ordinal numbers, crucial for mastering English vocabulary. They simplify sequences, dates, addresses, and more.

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

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 …