ozone layer
noun
: an atmospheric layer at heights of about 20 to 30 miles (32 to 48 kilometers) that is normally characterized by high ozone content which blocks most solar ultraviolet radiation from entry into the lower atmosphere
Examples of ozone layer in a Sentence
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An improved ozone layer also has blunted some effects of global warming – including the loss of phytoplankton, which have been reduced because of steps launched by the agreement.
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Andre Mouchard, Oc Register, 10 Oct. 2025
Teeming with tennis courts, specimen trees and stone mansions raised from the dirt by 19th-century railroad barons, the suburb makes wealth feel like weather, an ozone layer shrouding everything — ambient, constant and vital.
—New York Times, 7 Oct. 2025
HFAs aren’t as harmful for the ozone layer as chlorofluorocarbon formulation inhalers that were phased out in the US from 2009 to 2013.
—Jen Christensen, CNN Money, 6 Oct. 2025
Sam Johnson had decided to end a successful spray deodorant product line because the propellant in the cans used chlorofluorocarbons (CFCs), the chemical compound harming the protective ozone layer in the earth's atmosphere.
—Jeff Young, MSNBC Newsweek, 3 Oct. 2025
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Andre Mouchard, Oc Register, 10 Oct. 2025
Teeming with tennis courts, specimen trees and stone mansions raised from the dirt by 19th-century railroad barons, the suburb makes wealth feel like weather, an ozone layer shrouding everything — ambient, constant and vital.
—New York Times, 7 Oct. 2025
HFAs aren’t as harmful for the ozone layer as chlorofluorocarbon formulation inhalers that were phased out in the US from 2009 to 2013.
—Jen Christensen, CNN Money, 6 Oct. 2025
Sam Johnson had decided to end a successful spray deodorant product line because the propellant in the cans used chlorofluorocarbons (CFCs), the chemical compound harming the protective ozone layer in the earth's atmosphere.
—Jeff Young, MSNBC Newsweek, 3 Oct. 2025
See All Example Sentences for ozone layer
Cite this Entry
“Ozone layer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ozone%20layer. Accessed 22 Oct. 2025.
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