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
Recent Examples on the Web
Under this pact, countries have reduced their use of ozone-depleting chemicals, allowing the protective ozone layer high in the atmosphere to recover.
—
Meghan Bartels, Scientific American, 13 Sep. 2023
This movement, rooted in the 1970s, aimed to conserve the natural world and avoid consumerism with campaigns focusing on saving rainforests, curbing whaling, reducing acid rain, and addressing the hole in the ozone layer.
—Matthew Cockerill, Fortune, 12 Sep. 2023
The hole in Earth’s ozone layer is opening early this year.
—Jackie Appel, Popular Mechanics, 17 Aug. 2023
Things might be looking better for the ozone layer, but there is still a big climate problem that needs to be addressed.
—Megesh Tiwari, Fortune, 23 Aug. 2023
And that last point is now having a lasting impact on our ozone layer.
—Jackie Appel, Popular Mechanics, 17 Aug. 2023
Enter Email Sign Up Mr. Brodeur, an award-winning writer who sounded the alarm 48 years ago about threats to the ozone layer, died Aug. 2 in Cape Cod Hospital.
—Bryan Marquard, BostonGlobe.com, 9 Aug. 2023
His 1975 report on the subject was among the first to highlight the role that the gases played in depleting the ozone layer.
—Harrison Smith, Washington Post, 10 Aug. 2023
The healing of the ozone layer could be at least temporarily set back, with many health implications.
—David Meyer, Fortune, 28 Feb. 2023
See More
Meghan Bartels, Scientific American, 13 Sep. 2023
This movement, rooted in the 1970s, aimed to conserve the natural world and avoid consumerism with campaigns focusing on saving rainforests, curbing whaling, reducing acid rain, and addressing the hole in the ozone layer.
—Matthew Cockerill, Fortune, 12 Sep. 2023
The hole in Earth’s ozone layer is opening early this year.
—Jackie Appel, Popular Mechanics, 17 Aug. 2023
Things might be looking better for the ozone layer, but there is still a big climate problem that needs to be addressed.
—Megesh Tiwari, Fortune, 23 Aug. 2023
And that last point is now having a lasting impact on our ozone layer.
—Jackie Appel, Popular Mechanics, 17 Aug. 2023
Enter Email Sign Up Mr. Brodeur, an award-winning writer who sounded the alarm 48 years ago about threats to the ozone layer, died Aug. 2 in Cape Cod Hospital.
—Bryan Marquard, BostonGlobe.com, 9 Aug. 2023
His 1975 report on the subject was among the first to highlight the role that the gases played in depleting the ozone layer.
—Harrison Smith, Washington Post, 10 Aug. 2023
The healing of the ozone layer could be at least temporarily set back, with many health implications.
—David Meyer, Fortune, 28 Feb. 2023
See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ozone layer.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1927, in the meaning defined above
Dictionary Entries Near ozone layer
Cite this Entry
“Ozone layer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ozone%20layer. Accessed 23 Sep. 2023.
Copy Citation
Kids Definition
ozone layer
noun
: a layer of the earth's atmosphere at heights of about 20 to 30 miles (32 to 48 kilometers) that is normally characterized by high ozone content which blocks most of the sun's ultraviolet radiation from entry into the lower atmosphere
More from Merriam-Webster on ozone layer
Britannica.com: Encyclopedia article about ozone layer
Love words? Need even more definitions?
Merriam-Webster unabridged
Share