Definition of ozone
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 of ozone from the Web
Air quality: Moderate air quality expected today because of increased ozone pollution.
Ozone levels will likely climb to a level that's unhealthy for people in sensitive groups such as seniors, children and people with breathing ailments like asthma and COPD.
The study, published in the New England Journal of Medicine, found a strong correlation between mortality and exposure to the pollutants ozone and particular matter, both of which contribute to smog.
One treatment involved blowing gaseous ozone into the rectum or vagina.
Riverside County, in which Calvert’s district sits, received grants to address ozone and particulate matter pollution for the 2016 fiscal year.
CCWD uses ozone gas to blast apart the harmful compounds and deep granular activated carbon beds to remove impurities from Delta water.
The culprit is a dangerous mix of diesel exhaust, paint fumes and trees, baked by the heat to create a blanket of ozone.
The compound depletes the ozone, and the EPA has mandated that its use be completely phased out by the year 2020.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ozone'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
OZONE Defined for English Language Learners
Definition of ozone for English Language Learners
: a form of oxygen that is found in a layer high in the earth's atmosphere
: fresh healthy air especially near the sea
OZONE Defined for Kids
Definition of ozone for Students
: a faintly blue form of oxygen that is present in the air in small quantities
Medical Definition of ozone
: 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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