1
: a triatomic very reactive form of oxygen that is a bluish irritating gas of pungent odor, that is a major air pollutant in the lower atmosphere but a beneficial component of the upper atmosphere, and that is used for oxidizing, bleaching, disinfecting, and deodorizing
2
: pure and refreshing air
relished the ozone of morning
Examples of ozone in a Sentence
Scientists are concerned about ozone depletion.
A light breeze filled the rooms of our seaside cottage with ozone.
Recent Examples on the Web
Air quality:Phoenix ranks 5th in ozone pollution, but a new report finds fewer bad air days overall
Who is most at risk from ozone?
—
Caralin Nunes, The Arizona Republic, 1 Apr. 2024
The group finds that 98 percent of parks suffer from visible haze pollution, while 96 percent are grappling with ozone pollution that could be harmful to human health.
—Sarah Kuta, Smithsonian Magazine, 22 Mar. 2024
The evaluation is based on levels of sulfur and nitrogen that make their way into soil and water, as well as ozone pollution’s impact on trees and plants.
—Lila Seidman, Los Angeles Times, 20 Mar. 2024
Ground-level ozone, which forms when industrial pollutants chemically react in the presence of sunlight, can cause respiratory problems, including asthma and chronic bronchitis.
—Matthew Daly, Quartz, 21 Feb. 2024
The new limits target nitrogen oxide pollution, a major component of ground-level ozone, or smog, that has been found to worsen asthma, chronic bronchitis and other respiratory illnesses.
—Ann E. Marimow, Washington Post, 21 Feb. 2024
While many operators in the Permian are complying with existing regulations, Kenney warned those that are skirting the rules will spur even greater federal and state enforcement over the entire industry if ozone levels continue to rise.
—Susan Montoya Bryan, Fortune, 14 Feb. 2024
But these compounds also react with sunlight to create ozone, usually called smog, which damages cells.
—Kaitlin Sullivan, NBC News, 27 Sep. 2023
When just ozone was added, the scent’s monoterpene concentrations fell by about 30 percent.
—Christian Thorsberg, Smithsonian Magazine, 12 Feb. 2024
Caralin Nunes, The Arizona Republic, 1 Apr. 2024
The group finds that 98 percent of parks suffer from visible haze pollution, while 96 percent are grappling with ozone pollution that could be harmful to human health.
—Sarah Kuta, Smithsonian Magazine, 22 Mar. 2024
The evaluation is based on levels of sulfur and nitrogen that make their way into soil and water, as well as ozone pollution’s impact on trees and plants.
—Lila Seidman, Los Angeles Times, 20 Mar. 2024
Ground-level ozone, which forms when industrial pollutants chemically react in the presence of sunlight, can cause respiratory problems, including asthma and chronic bronchitis.
—Matthew Daly, Quartz, 21 Feb. 2024
The new limits target nitrogen oxide pollution, a major component of ground-level ozone, or smog, that has been found to worsen asthma, chronic bronchitis and other respiratory illnesses.
—Ann E. Marimow, Washington Post, 21 Feb. 2024
While many operators in the Permian are complying with existing regulations, Kenney warned those that are skirting the rules will spur even greater federal and state enforcement over the entire industry if ozone levels continue to rise.
—Susan Montoya Bryan, Fortune, 14 Feb. 2024
But these compounds also react with sunlight to create ozone, usually called smog, which damages cells.
—Kaitlin Sullivan, NBC News, 27 Sep. 2023
When just ozone was added, the scent’s monoterpene concentrations fell by about 30 percent.
—Christian Thorsberg, Smithsonian Magazine, 12 Feb. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ozone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near ozone
Cite this Entry
“Ozone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ozone. Accessed 19 Apr. 2024.
Copy CitationKids Definition
ozone
noun1
: a form of oxygen that is a bluish irritating sharp-smelling gas containing three atoms per molecule, and that is used especially in disinfecting, deodorizing, and bleaching
2
: pure and refreshing air
Medical Definition
ozone
noun
: a triatomic very reactive form of oxygen that is a bluish irritating gas of pungent odor, that is formed naturally in the atmosphere by a photochemical reaction and is a major air pollutant in the lower atmosphere but a beneficial component of the upper atmosphere, and that is used for oxidizing, bleaching, disinfecting, and deodorizing
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