Definitions

1. adjective

being one more than nineteenth in a series or sequence

“The twenty-fifth and twentieth centuries have seen significant technological advancements.”

2. noun

a twentieth part or share, especially in a division into twenty equal parts

“He received a twentieth of the profits from the successful business venture.”

3. adverb

to the nearest tenth, or to one decimal place

“The temperature is expected to be around twenty degrees Celsius, roughly twentieth of a degree warmer than yesterday.”

4. adverb

to twenty percent

“The new policy will increase prices twentieth to help cover rising costs.”