Definition of dioxide
: an oxide (such as carbon dioxide) containing two atoms of oxygen in the molecule
Explore M-W
Recent Examples of dioxide from the Web
-
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?
-
With an exit, Trump would make a clean break from his predecessor, Barack Obama, who made the Paris accord a top priority of his second term and pledged the U.S. would slash carbon dioxide emissions 26 percent by 2025.
-
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?
-
The atmosphere is toxic with high concentrations of carbon dioxide, hydrogen sulfide and other gases.
-
The world has already warmed by just over half that amount — with about one-fifth of the past heat-trapping carbon dioxide emissions coming from the United States, usually from the burning of coal, oil and gas.
-
But greenhouse gases like carbon dioxide trap that heat and reflect it back into the Earth system, keeping ambient temperatures high even at night.
-
Marshland boosts water quality, restores habitats, filters carbon dioxide from the air and can act as a sponge to mitigate rising sea levels.
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 1847
DIOXIDE Defined for English Language Learners
dioxide
playDefinition 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 Dictionary
dioxide
playMedical Definition of dioxide
: an oxide (as carbon dioxide) containing two atoms of oxygen in a molecule
Learn More about dioxide
-
See words that rhyme with dioxide Nglish: Translation of dioxide for Spanish speakers Britannica English: Translation of dioxide for Arabic speakers
Seen and Heard
What made you want to look up dioxide? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!