Nineteenth

a.	1.	Following the eighteenth and preceding the twentieth; coming after eighteen others.
	2.	Constituting or being one of nineteen equal parts into which anything is divided.
n.	1.	The quotient of a unit divided by nineteen; one of nineteen equal parts of anything.
	2.	The next in order after the eighteenth.
	3.	(Mus.) An interval of two octaves and a fifth.

Noun	1.	nineteenth - position 19 in a countable series of things
Adj.	1.	nineteenth - coming next after the eighteenth in position Synonyms: 19th

19th, ordinal