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
Inconclusive medications included cannabinoids (compounds found in cannabis), immunoglobulins (drugs that contain antibodies), muscle relaxants, opioids, and ozone injections.
—
Tom Gavin, EverydayHealth.com, 20 Mar. 2025
Back in the 70s, scientists discovered that chemicals used in the production of items such as aerosol sprays, foam-blowing agents, solvents, and refrigerants, had created a hole in the ozone over the Antarctic spring.
—Dan Perry, Newsweek, 18 Mar. 2025
These stars are responsible for the sort of core collapse supernovae that can strip earthlike planets of their atmospheric ozone, create acid rain and leave their surfaces exposed to harmful ultraviolet radiation.
—Bruce Dorminey, Forbes, 14 Mar. 2025
There are certainly alternatives to chlorine and chloramines, which come with their own benefits and detriments: many European countries disinfect their water with ozone, and McCurry says that another option is the use of UV light.
—Tom Hawking, Popular Science, 22 Nov. 2024
See All Example Sentences for ozone
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Tom Gavin, EverydayHealth.com, 20 Mar. 2025
Back in the 70s, scientists discovered that chemicals used in the production of items such as aerosol sprays, foam-blowing agents, solvents, and refrigerants, had created a hole in the ozone over the Antarctic spring.
—Dan Perry, Newsweek, 18 Mar. 2025
These stars are responsible for the sort of core collapse supernovae that can strip earthlike planets of their atmospheric ozone, create acid rain and leave their surfaces exposed to harmful ultraviolet radiation.
—Bruce Dorminey, Forbes, 14 Mar. 2025
There are certainly alternatives to chlorine and chloramines, which come with their own benefits and detriments: many European countries disinfect their water with ozone, and McCurry says that another option is the use of UV light.
—Tom Hawking, Popular Science, 22 Nov. 2024
See All Example Sentences for ozone
Cite this Entry
“Ozone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ozone. Accessed 28 Mar. 2025.
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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