A History of Short Words

From the New York Times Crossword Puzzle

RATIO

Mon, 29 Apr '24
Pi is one, for the circumference of a circle to its diameter
Sat, 20 Apr '24
4-Down, e.g.
Mon, 1 Jan '24
Proportion
Fri, 21 Apr '23
Two to one, e.g.
Fri, 6 Jan '23
Consideration when doubling a recipe, perhaps
Sun, 4 Dec '22
Proportion
Sun, 16 Oct '22
12/25, e.g.
Thu, 1 Sep '22
Relationship with a statistics teacher?
Wed, 26 Jan '22
5:1, e.g.
Wed, 3 Mar '21
Ten to one, for one