Twentieth

Part of speech: noun (n.)

1. The next in order after the nineteen; one coming after nineteen others.

2. The quotient of a unit divided by twenty; one of twenty equal parts of one whole.

Part of speech: adjective (a.)

1. Next in order after the nineteenth; tenth after the tenth; coming after nineteen others; -- the ordinal of twenty.

2. Consisting, or being, one of twenty equal parts into which anything is divided.