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
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
While ozone pollution is typically a summer phenomenon in Maricopa County, ozone season stretched well into the fall this year.
—Austin Corona, The Arizona Republic, 8 Nov. 2024
Additional data comes from weather balloons launched from the South Pole Baseline Atmospheric Observatory, which recorded the lowest ozone concentration of 109 Dobson units on October 5.
—Tom Howarth
follow, Newsweek, 1 Nov. 2024
The largest impacts of ozone on air quality are expected to come in the afternoon and early evening.
—Killian Baarlaer, The Courier-Journal, 20 Sep. 2024
See all Example Sentences for ozone 
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Sj Studio, Sourcing Journal, 5 Dec. 2024
While ozone pollution is typically a summer phenomenon in Maricopa County, ozone season stretched well into the fall this year.
—Austin Corona, The Arizona Republic, 8 Nov. 2024
Additional data comes from weather balloons launched from the South Pole Baseline Atmospheric Observatory, which recorded the lowest ozone concentration of 109 Dobson units on October 5.
—Tom Howarth
follow, Newsweek, 1 Nov. 2024
The largest impacts of ozone on air quality are expected to come in the afternoon and early evening.
—Killian Baarlaer, The Courier-Journal, 20 Sep. 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 25 Dec. 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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