oxidizer
noun
ox·i·diz·er
ˈäk-sə-ˌdī-zər 
: oxidizing agent
especially
: one used to support the combustion of a rocket propellant
Examples of oxidizer in a Sentence
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Howard Hu, the program manager for Orion, said NASA was tracking an issue with the helium system that pressurizes Orion’s service module propulsion system to deliver fuel and oxidizer to the engine.
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Eric Berger, ArsTechnica, 3 Apr. 2026
When fine aluminum powder was mixed proportionally with an oxidizer, the resulting mixture—flash powder—burned much hotter and faster than black powder, allowing for the manufacture of louder firecrackers and salutes in aerial fireworks.
—Encyclopedia Britannica, 18 Mar. 2026
Today’s modern rockets no longer use gasoline, opting for other fuels such as liquid hydrogen, liquid methane and refined kerosene along with liquid oxygen, which acts as an oxidizer.
—Briana Alvarado, ABC News, 16 Mar. 2026
Martian regolith also contains perchlorate, which is a strong oxidizer.
—Keith Cooper, Space.com, 3 Mar. 2026
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Eric Berger, ArsTechnica, 3 Apr. 2026
When fine aluminum powder was mixed proportionally with an oxidizer, the resulting mixture—flash powder—burned much hotter and faster than black powder, allowing for the manufacture of louder firecrackers and salutes in aerial fireworks.
—Encyclopedia Britannica, 18 Mar. 2026
Today’s modern rockets no longer use gasoline, opting for other fuels such as liquid hydrogen, liquid methane and refined kerosene along with liquid oxygen, which acts as an oxidizer.
—Briana Alvarado, ABC News, 16 Mar. 2026
Martian regolith also contains perchlorate, which is a strong oxidizer.
—Keith Cooper, Space.com, 3 Mar. 2026
See All Example Sentences for oxidizer
Cite this Entry
“Oxidizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxidizer. Accessed 6 Apr. 2026.
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