dioxide

noun

di·​ox·​ide (ˌ)dī-ˈäk-ˌsīd How to pronounce dioxide (audio)
: an oxide (such as carbon dioxide) containing two atoms of oxygen in the molecule

Examples of dioxide in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Silicon dioxide can be used as a main ingredient in dietary supplements or in small amounts to improve their stability. Merve Ceylan, Health, 2 Nov. 2024 Nitrogen dioxide, a lung-irritating gas and component of smog, is nearly inescapable as it is produced by the burning of fossil fuels. Tony Briscoe, Los Angeles Times, 5 Oct. 2024 Silicon Dioxide Safety Silicon dioxide is generally considered safe in food products. Brittany Lubeck, Ms, Rdn, Verywell Health, 19 Sep. 2024 Sulfur dioxide can cause respiratory problems, per the Environmental Protection Agency website. Chad Murphy, The Enquirer, 26 Sep. 2024 See all Example Sentences for dioxide 

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1847, in the meaning defined above

Time Traveler
The first known use of dioxide was circa 1847

Dictionary Entries Near dioxide

Cite this Entry

“Dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dioxide. Accessed 29 Nov. 2024.

Kids Definition

dioxide

noun
di·​ox·​ide (ˈ)dī-ˈäk-ˌsīd How to pronounce dioxide (audio)
: an oxide containing two atoms of oxygen in the molecule

Medical Definition

dioxide

noun
di·​ox·​ide (ˈ)dī-ˈäk-ˌsīd How to pronounce dioxide (audio)
: an oxide (as carbon dioxide) containing two atoms of oxygen in a molecule

More from Merriam-Webster on dioxide

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!