oxidizer

noun

ox·​i·​diz·​er ˈäk-sə-ˌdī-zər How to pronounce oxidizer (audio)
: oxidizing agent
especially : one used to support the combustion of a rocket propellant

Examples of oxidizer 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.
An oxidizer leak was found on the Dragon spacecraft's propulsion system during prelaunch processing that delayed the launch of the Crew-13 mission to the International Space Station. — Eric Lagatta, USA Today, 1 Sep. 2026 In a Sunday update, NASA said testing of the Crew Dragon Grace, which has flown on one previous mission, revealed an oxidizer leak on the spacecraft’s propulsion system. — Richard Tribou, The Orlando Sentinel, 31 Aug. 2026 Hydrogen peroxide is a natural oxidizer and an antifungal agent that targets mold at the root. — Maria Sabella, The Spruce, 25 June 2026 The company may also need to replenish the fuel and oxidizer in the massive tanks surrounding the launchpad to be ready for another go. — Jackie Wattles, CNN Money, 21 May 2026 See All Example Sentences for oxidizer

Word History

First Known Use

1850, in the meaning defined above

Time Traveler
The first known use of oxidizer was in 1850

Rhymes for oxidizer

See All Rhymes for oxidizer

Browse Nearby Words

oxidized oil
oxidizer
oxidizing agent
See all Nearby Words

Cite this Entry

“Oxidizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxidizer. Accessed 7 Sep. 2026.

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