ox·​i·​diz·​er | \ ˈäk-sə-ˌdī-zər How to pronounce oxidizer (audio) \

Definition of oxidizer

: oxidizing agent especially : one used to support the combustion of a rocket propellant

Examples of oxidizer in a Sentence

Recent Examples on the Web The igniter turns on, initiating combustion of the methane fuel and liquid oxygen oxidizer. Eric Berger, Ars Technica, "Relativity Space has big dreams. Is the company for real?," 3 Mar. 2020 Approximately 100 milliseconds prior to ignition of Crew Dragon's eight SuperDraco thrusters, a leaking component allowed about one cup of liquid oxidizer (nitrogen tetroxide, or NTO) into the wrong fuel tank plumbing. Eric Berger, Ars Technica, "Crew Dragon faces its last big test before human spaceflight on Saturday," 13 Jan. 2020 Traditional missiles powered by rocket motors typically carry both fuel and oxidizer. Kyle Mizokami, Popular Mechanics, "Ramjets Will Drastically Improve Missiles and Artillery Shells," 17 Oct. 2019 Rather than force their way through this pressure wave, ramjets suck it in, using the abundant oxygen in it as an oxidizer. Kyle Mizokami, Popular Mechanics, "Ramjets Will Drastically Improve Missiles and Artillery Shells," 17 Oct. 2019 For years the agency pursued a hybrid rocket fueled by paraffin wax and a liquid oxidizer. Daniel Clery, Science | AAAS, "Bold space mission to bring back rocks from Mars takes shape," 21 Nov. 2019 Upon contact, the oxidizer and titanium reacted explosively. Tim Fernholz, Quartz, "SpaceX found the problem that blew up its Crew Dragon spacecraft," 15 July 2019 According to one source, the orange plumes were the result of between one and two tons of nitrogen tetroxide—the oxidizer used by Dragon's SuperDraco engines—burning at the location. Eric Berger, Wired, "What’s Known About the SpaceX Crew Dragon Accident," 23 Apr. 2019 The leak caused liquid oxidizer —a key component in the vehicle’s propellant — to cross over into the wrong set of pipes, the pressurization system. Chabeli Herrera, orlandosentinel.com, "SpaceX now knows why its astronaut capsule exploded — and more delays are likely," 15 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oxidizer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of oxidizer

1850, in the meaning defined above

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Time Traveler for oxidizer

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The first known use of oxidizer was in 1850

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Last Updated

11 Mar 2020

Cite this Entry

“Oxidizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxidizer. Accessed 1 Apr. 2020.

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