(~s)
1.
The ~ item in a series is the one that you count as number one thousand.
The magazine has just published its six ~ edition.
ORD
•
If you say that something has happened for the ~ time, you are emphasizing that it has happened again and that it has already happened a great many times.
The phone rings for the ~ time.
ORD emphasis
2.
A ~ is one of a thousand equal parts of something.
...a dust particle weighing only a ~ of a gram.
FRACTION