skiing is a form of:

Twentieth



noun
1.
(next after 19th; 20th. one of 20 equal parts) មួយភាគម្ភៃ
ENGLISH MEANING
noun
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.
adjective
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.