twentieth: Meaning and Definition of
twen•ti•eth
Pronunciation: (twen'tē-ith, twun'-), [key]
— adj.
- next after the nineteenth; being the ordinal number for 20.
- being one of 20 equal parts.
—n.
- a twentieth part, esp. of one ().
- the twentieth member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.