To save this word, you'll need to log in.
Definition of ozone layer
: 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 Huge hole in the ozone layer opens over the North Pole.
—
Lorcan Roche Kelly, Bloomberg.com, "Five Things You Need to Know to Start Your Day," 18 May 2020 Up until 2000, the jet stream had been shifting from its course as a result of ozone layer depletion.
—
Nusmila Lohani, The Christian Science Monitor, "Points of Progress: Ireland will ban certain tobacco products, and more," 10 Apr. 2020 Last week, new research declared the once-worrying fissure in the ozone layer at the South Pole to be largely vanquished.
—
Alex Fox, Smithsonian Magazine, "Why This Rare, Huge Ozone Hole Over the Arctic Is Troubling Scientists," 1 Apr. 2020 In 1989, representatives from the 12 European Community nations agreed to ban all production of CFCs (chlorofluorocarbons), the synthetic compounds blamed for destroying the Earth’s ozone layer, by the end of the 20th century.
—
BostonGlobe.com, "This day in history," 2 Mar. 2020 The ozone layer protects the Earth from harmful solar radiation, which would affect humans and all other life on the planet – the sympathetic cause.
—
Eva Botkin-kowacki, The Christian Science Monitor, "So 1 million species are at risk of extinction. Now what?," 14 May 2019 The global treaty that protected the Earth's ozone layer did more than just maintain a crucial protective covering for our planet.
—
Fox News, "Did closing the ozone hole help slow Arctic warming?," 24 Jan. 2020 Over the past 30 years humans have made progress in stopping damage to the ozone layer by curbing the use of certain chemicals.
—
Mark Thiessen, National Geographic, "Ozone depletion, explained," 18 Apr. 2019 Several smaller nations have complained that the use of aircraft to inject aerosols into the atmosphere might alter the weather or destroy the ozone layer, which protects humans from some of the more harmful radiation from sunlight.
—
John Fialka, Scientific American, "NOAA Gets Go-Ahead to Study Controversial Climate Plan B," 23 Jan. 2020
See MoreThese example sentences are selected automatically from various online news sources to reflect current usage of the word 'ozone layer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Keep scrolling for more
Keep scrolling for more
Comments on ozone layer
What made you want to look up ozone layer? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
May 2020 Words of the Day Quiz
- Which is a synonym of exiguous?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Share ozone layer
Time Traveler for ozone layer
The first known use of ozone layer was in 1927
See more words from the same year