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o·zone de·ple·tion
 ozone depletion
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- pronunciation:
- o
zon
dih
pli
sh
n
part of speech: |
noun |
definition: |
a steady decline in ozone in Earth's stratosphere, or a springtime decline in stratospheric ozone in Earth's polar regions. The primary cause of ozone depletion is man-made chemicals, particularly chlorofluorocarbons (CFCs).
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