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
Modeling from Sonoma Technology reveals that between 2016 and 2023, maximum daily ozone impacts from buildings in Maryland increased 75%, and 185% in the Baltimore metro area.
—
Susan Miller, Baltimore Sun, 19 Dec. 2024
This treaty shares many of the mechanisms present in the 1987 Montreal Protocol, which eventually led to the phasing out of CFCs, the chemicals responsible for ozone depletion.
—Susan Solomon, WIRED, 14 Dec. 2024
High ozone levels usually drop off in mid-September, but Maricopa County broke federal ozone standards as late as Oct. 12 in 2024.
—Austin Corona, The Arizona Republic, 8 Nov. 2024
Using ozone streamlines the process by only requiring humid conditions, rather than fully wet conditions like conventional methods.
—Sj Studio, Sourcing Journal, 5 Dec. 2024
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Susan Miller, Baltimore Sun, 19 Dec. 2024
This treaty shares many of the mechanisms present in the 1987 Montreal Protocol, which eventually led to the phasing out of CFCs, the chemicals responsible for ozone depletion.
—Susan Solomon, WIRED, 14 Dec. 2024
High ozone levels usually drop off in mid-September, but Maricopa County broke federal ozone standards as late as Oct. 12 in 2024.
—Austin Corona, The Arizona Republic, 8 Nov. 2024
Using ozone streamlines the process by only requiring humid conditions, rather than fully wet conditions like conventional methods.
—Sj Studio, Sourcing Journal, 5 Dec. 2024
See all Example Sentences for ozone
Dictionary Entries Near ozone
Cite this Entry
“Ozone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ozone. Accessed 2 Jan. 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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