ozone hole

1. 1.

   an area of the ozone layer (near the poles) that is seasonally depleted of ozone

   Broaderhole

   Part ofozone layer

Questions about ozone hole

What does ozone hole mean?

ozone hole means "an area of the ozone layer (near the poles) that is seasonally depleted of ozone".

Is ozone hole a common word?

ozone hole is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.