eighteenth

American  

[ey-teenth] / ˈeɪˈtinθ /

adjective

1. next after the seventeenth; being the ordinal number for 18.

2. being one of 18 equal parts.

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noun

1. an eighteenth part, especially of one (1/18).

2. the eighteenth member of a series.

Etymology

Origin of eighteenth

before 900; Middle English eightenthe, eightethe, Old English eahtatēotha. See eighteen + -th ²

Example Sentences

The Dow Jones Industrial Average reached 48,500 points, marking its eighteenth record high of the year, reflecting market optimism.

From Barron's

The operation was scheduled for Monday, the eighteenth of June, but we didn’t tell the girls.

From Literature

It’s the negative image of an important intellectual movement of the seventeenth and eighteenth centuries, the Enlightenment, whose principles formed, among other things, the basis for American democracy.

From Salon

In the early eighteenth century, Georgia and Virginia used fines to penalize people for not voting.

From Salon

"Since women had no political position in the eighteenth century, I could not place this debate there," Wills told Salon.

From Salon