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 …

Jul 15, 2025 · Learn about ordinal numbers, crucial for mastering English vocabulary. They simplify sequences, dates, addresses, and more.

Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.

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

May 6, 2022 · There is no hard-and-fast rule about when to use numbers and when to use words in writing centuries, as long as you are clear and consistent.

May 5, 2025 · The 18th century, also referred to as the 1700s, marked the beginning of the first Industrial Revolution. Modern manufacturing began with steam engines replacing animal labor. …

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 …

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

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 …