A History of Short Words

From the New York Times Crossword Puzzle

OZONE

Thu, 10 Nov '22
Kind of layer
Mon, 16 May '22
Vital part of the stratosphere's protective layer
Sat, 13 Nov '21
___-friendly (ecolabel)
Tue, 19 Oct '21
Globe coverer
Sun, 11 Apr '21
___ hole