Nineteenth /(?)/

Nine·teenth

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.

Nineteenth

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. An interval of two octaves and a fifth. (Mus.)