eighteenth

[ ey-teenth ]

/ ˈeɪˈtinθ /

adjective

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

being one of 18 equal parts.

noun

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

the eighteenth member of a series.

Words nearby eighteenth

eight-track tape, eightball, eighteen, eighteen-wheeler, eighteenmo, eighteenth, eighteenth amendment, eightfold, eightfold path, eightfold way, eighth

Origin of eighteenth

before 900; Middle English eightenthe, eightethe, Old English eahtatēotha. See eighteen + -th²

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for eighteenth

I can't rebuild my apartment on the fifth floor while you keep your apartment on the eighteenth floor just as it is.
Hell, No, Not So Low|Megan McArdle|October 16, 2012|DAILY BEAST
William Blake, the eighteenth century poet, illustrator, engraver and mystic, worked from home but lived in his imagination.
William Blake's Heavenly Imagination|Chloe Malle|November 12, 2009|DAILY BEAST
Then in the seventeenth and eighteenth centuries, as the cultivation of science became more general, royal academies were founded.
The Popular Science Monthly, October, 1900|Various
The unfortunate natives of the eighteenth century allowed all kinds of havoc to be played with even their best-known names.
The Revival of Irish Literature|Charles Gavan Duffy

He had as little sympathy with liberty as Plato or as Bossuet, and less than the eighteenth century philosophers.
The Idea of Progress|J. B. Bury
It makes light of the sixteenth century, of the seventeenth, and of the eighteenth.
Ceres' Runaway|Alice Meynell
The nineteenth dynasty ended even more disastrously than the eighteenth.
Patriarchal Palestine|Archibald Henry Sayce

British Dictionary definitions for eighteenth

eighteenth

/ (ˈeɪˈtiːnθ) /

adjective

(usually prenominal)

coming after the seventeenth in numbering or counting order, position, time, etc; being the ordinal number of eighteen: often written 18th
(as noun)come on the eighteenth

noun

one of 18 approximately equal parts of something
(as modifier)an eighteenth part

the fraction that is equal to one divided by 18 (1/18)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012