Purportedly weakening shield (10 letters) — Crossword Helper

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The Clue

Purportedly weakening shield (10 letter answer)

The Answer

OZONELAYER

Tags

atmospheric covering hole ozonelayer purportedly region shield weakening

Notes

The answer OZONELAYER is so rare that it appears less than once every 2500 puzzles.

Related Clues

Atmospheric region with a "hole"
Covering with a hole in it