ozone hole

noun

: an area of the ozone layer (as near the South Pole) that is seasonally depleted of ozone

Examples of ozone hole in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Like with the ozone hole, this worry must be catalyzed into civic engagement, building a global movement that works with governments to make a prohibition on superintelligence a reality. Andrea Miotti, Time, 29 Oct. 2025 The depth of the 2024 Antarctic ozone hole – which appears over the Antarctic each year in spring and shows especially dramatic thinning of the ozone layer – was below the 1990–2020 average. New Atlas, 20 Sep. 2025 The 2024 ozone hole also formed relatively slowly and recovered relatively quickly—a good sign for the future of the ozone layer, according to the report. Meghan Bartels, Scientific American, 16 Sep. 2025 The discovery of the Antarctic ozone hole in 1985 confirmed the threat. Dianne Plummer, Forbes.com, 16 Sep. 2025 See All Example Sentences for ozone hole

Word History

First Known Use

1986, in the meaning defined above

Time Traveler
The first known use of ozone hole was in 1986

Browse Nearby Words

Cite this Entry

“Ozone hole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ozone%20hole. Accessed 6 Nov. 2025.

Kids Definition

ozone hole

noun
: an area of the ozone layer (as near the south pole) that is seasonally depleted of ozone
Last Updated: - Definition revised
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!