ozone hole


Definition of ozone hole

: 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 year is 2002 and former lobbyist Soussan (an earnest Theo James) is searching for something more meaningful than tax shelters, sweatshops and ozone holes. Michael Rechtshaffen, latimes.com, "U.N. intrigue and corruption in 'Backstabbing for Beginners'," 26 Apr. 2018 But while the ozone hole is now in recovery, climate change may be having a similar effect. Chelsea Harvey, Scientific American, "Antarctic Glaciers Are Helping Drive Their Own Melt," 20 Apr. 2018 The ozone hole spurred countries and companies into action. John Timmer, Ars Technica, "New measurement confirms: The ozone is coming back," 4 Jan. 2018 Melanoma remains a significant problem in the Antipodes, in large part due to high levels of UV exposure caused by the region's proximity to the ozone hole over the Antarctic. Jessica Mudditt, CNN, "Melanoma remains Australia's 'national cancer' with 14,000 diagnosed each year," 8 May 2018 The Joint Polar Satellite System-1 provides data essential to understanding how climate change is transforming the planet, including changes in Arctic sea ice and the ozone hole over Antarctica. Scott Waldman, Scientific American, "Key Climate Satellite to Launch Later This Month," 1 May 2018 But evidence has been building that the ozone layer is recovering, and a new paper claims to have directly measured the ozone hole gradually filling back in. John Timmer, Ars Technica, "New measurement confirms: The ozone is coming back," 4 Jan. 2018 The infamous ozone hole over Antarctica was discovered in the late 1970s. Doyle Rice, USA TODAY, "Ozone layer continues to thin over Earth's populated areas," 7 Feb. 2018 At the time, the 1987 Montreal Protocol had already kick-started the healing of the ozone hole, so scientists expected the UNFCCC would succeed, too. Gemma Tarlach, Discover Magazine, "Science Under Siege But Surviving," 29 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ozone hole.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ozone hole

1986, in the meaning defined above

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The first known use of ozone hole was in 1986

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ozone hole


English Language Learners Definition of ozone hole

: an area of the ozone layer where there is very little ozone

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to reflect, repel, echo, or resound

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