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

Example Sentences

Recent Examples on the Web That process, according to NASA, is three or more times more efficient than the chemical propulsion used by the rockets currently in operation, in which an explosive fuel is mixed with an oxidizer to create a fiery blaze of thrust. Jackie Wattles, CNN, 24 Jan. 2023 La Salle police said that a green-colored oxidizer had been released in the area and warned residents not to touch the substance. Gina Martinez, CBS News, 11 Jan. 2023 Both components of this binary system, the energetic fuel and the oxidizer, are immune to detonation, a huge advantage over other rocket fuels. Bryce Tappan, Discover Magazine, 11 Aug. 2017 Nitratine, a highly reactive mineral, is the natural form of sodium-nitrate and serves as an oxidizer for fireworks, supporting the fuel's combustion. David Bressan, Forbes, 31 Dec. 2022 Nevertheless, this approach turns out to be remarkably efficient, largely because there is no need for an oxidizer and all the power comes from Earth. The Physics Arxiv Blog, Discover Magazine, 24 Feb. 2022 Artemis will also be lifted by Solid Rocket Boosters, one on each side, powered by ammonium perchlorate as an oxidizer and aluminum powder as fuel. Lee Roop | Lroop@al.com, al, 15 Nov. 2022 Sometimes scientists will use language that’s really tricky or specialized without realizing that not everyone knows, for example, what an oxidizer is. Maggie Chen, WIRED, 13 Sep. 2022 Nine months have passed since a standard pre-flight check of the spacecraft, then sitting atop a rocket on a launch pad in Florida, found that 13 of 24 oxidizer valves within Starliner's propulsion system were stuck. Eric Berger, Ars Technica, 4 May 2022 See More

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.

Word History

First Known Use

1850, in the meaning defined above

Time Traveler
The first known use of oxidizer was in 1850

Dictionary Entries Near oxidizer

Cite this Entry

“Oxidizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxidizer. Accessed 7 Feb. 2023.

Last Updated: - Updated example sentences
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