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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
The Antarctic ozone hole is the smallest it’s been in decades.
—Jonathan Easley, The Hill, 5 Nov. 2024
Scientists have reported that the ozone hole over Earth's southern pole spans nearly 20 million square kilometers this year, almost three times the size of the contiguous United States, while simultaneously signaling promising progress in global environmental recovery efforts.
—Tom Howarth
follow, Newsweek, 1 Nov. 2024
Reagan’s decision recognized the opportunity that the ozone hole presented for American industry and used his position to gain a competitive advantage on a global scale.
—Dr. Alex Gold, Forbes, 9 Oct. 2024
But sulfur dioxide might also lead to acid rain, worsen the Antarctic ozone hole, or have other unforeseen consequences.
—Justine Calma, The Verge, 12 Aug. 2024
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Word History
First Known Use
1986, in the meaning defined above
Dictionary Entries Near ozone hole
Cite this Entry
“Ozone hole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ozone%20hole. Accessed 28 Nov. 2024.
Kids Definition
ozone hole
noun
: an area of the ozone layer (as near the south pole) that is seasonally depleted of ozone
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