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Meaning of ozone shield | Babel Free

Noun CEFR B2

Definitions

The ozone layer; a region of the stratosphere containing a relatively high concentration of ozone.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

ozone sickness ozone therapy ozoner ozonesonde Ozonic ozonide

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