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

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 To prevent this from happening in the future, SpaceX has isolated these systems and changed the types of valves that control the flow of the oxidizer. Daniel Oberhaus, WIRED, "A Leaky Component Caused the SpaceX Crew Dragon Explosion," 15 July 2019 Unlike rockets, planes don’t require an oxidizer to fly to high altitudes, which also helps cut down on the rocket’s mass and reduces the cost of an orbital launch. Daniel Oberhaus, WIRED, "Virgin Orbit Just Dropped a Rocket From a Boeing 747," 10 July 2019 Flash powder, made from a composite of metallic fuel and an oxidizer, requires ignition to create a bright flash — one that film can capture, and one that allowed photographers to take photos anywhere without sunlight. Marlo Safi, National Review, "A Raw Look at the New ‘Other Half’," 29 June 2019 Octagonal, flat sided, its two fuel tanks and two oxidizer tanks arranged symmetrically around its central axis. Oliver Morton, WIRED, "The Beauty and Madness of Sending a Man to the Moon," 4 June 2019 During development, the fuel and oxidizer lines will not stop leaking. Oliver Morton, WIRED, "The Beauty and Madness of Sending a Man to the Moon," 4 June 2019 Solid-fuel rockets, as their name suggests, use a combined oxidizer and fuel in a solid matrix. Jonathan M. Gitlin, Ars Technica, "Bloodhound SSC: How do you build a car capable of 1,000mph?," 24 Nov. 2018

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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Last Updated

24 Sep 2019

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Time Traveler for oxidizer

The first known use of oxidizer was in 1850

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