Definition of dioxide
: an oxide (such as carbon dioxide) containing two atoms of oxygen in the molecule
Recent Examples of dioxide from the Web
Over the life of the system, 24,228 tons of carbon dioxide will be eliminated from the school's carbon footprint, according to information provided by the school system.
Scientists have spent decades measuring what was happening to all of the carbon dioxide that was produced when people burned coal, oil and natural gas.
This clear mineral mist contains zinc oxide and titanium dioxide — physical UV blockers that sit on top of the skin reflecting rays.
If emissions of heat-trapping gases such as carbon dioxide or methane aren't cut back, Louisville could experience 43 days of potentially deadly heat by 2050, just 33 years away.
EBMUD likewise has taken several control measures such as selectively using less chlorine in treatment plants, and adding more carbon dioxide in the district’s Mokelumne River aqueducts to reduce THMs.
Alabama Power completed a $1.2 billion renovation of the Miller plant in 2011 to install pollution scrubbers aimed to reduce sulfur dioxide emissions and nitrogen oxide, a component of ground-level ozone.
To create usable methane, the utility National Grid plans to build a $30 million system for the plant, which will essentially squeeze out water vapor and carbon dioxide, as well as filter out chemicals and conditioners flushed into the sewer system.
If President Donald Trump pulls the United States out of the international agreement to reduce carbon dioxide emissions, what could that mean for the rapidly heating Earth?
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dioxide'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of dioxide
International Scientific Vocabulary
First Known Use: circa 1847See Words from the same year
DIOXIDE Defined for English Language Learners
Definition of dioxide for English Language Learners
chemistry : a molecule that has two atoms of oxygen and one atom of another element (such as carbon)
Medical Definition of dioxide
: an oxide (as carbon dioxide) containing two atoms of oxygen in a molecule
Seen and Heard
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