hydrazine

noun
hy·​dra·​zine | \ ˈhī-drə-ˌzēn How to pronounce hydrazine (audio) \

Definition of hydrazine

: a colorless fuming corrosive strongly reducing liquid base N2H4 used especially in fuels for rocket and jet engines also : an organic base derived from this compound

Examples of hydrazine in a Sentence

Recent Examples on the Web With this modernized upper stage, Russian officials hoped to move away from the toxic propellants—dinitrogen tetroxide and hydrazine—that power the Briz-M upper stage. Eric Berger, Ars Technica, 4 Jan. 2022 But highly oxidizing non-fossil chemical fuels, like liquid oxygen, liquid hydrogen or dinitrogen tetroxide combined with hydrazine are even more expensive, a bit dangerous to use and needed for rocket fuel. James Conca, Forbes, 6 Dec. 2021 Working for a venture backed by Harry F. Guggenheim in the 1950s, Mr. Steinberg experimented with hydrazine rocket-fuel production techniques. James R. Hagerty, WSJ, 23 June 2021 Russia's workhorse Proton rocket uses hydrazine for its first and second stages. Eric Berger, Ars Technica, 8 Sep. 2020 Burning hydrazine doesn't produce a combustion reaction, and both of the exhaust products, nitrogen and hydrogen, are clear. Jennifer Leman, Popular Mechanics, 22 Feb. 2021 The use of hydrazine as a fuel for launch vehicles has been phased out for most of the world, Ars reports. Eric Berger, Ars Technica, 11 Sep. 2020 Yet the majority of China's launch fleet is powered by hydrazine fuel and nitrogen tetroxide oxidizer. Eric Berger, Ars Technica, 11 Sep. 2020 Voyager 1, Voyager 2, Cassini, and New Horizons all used a radioisotope power source but used hydrazine fuel in a chemical engine that quickly flung them to the far reaches of the solar system. Smithsonian Magazine, 8 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydrazine.' 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 hydrazine

1887, in the meaning defined above

History and Etymology for hydrazine

International Scientific Vocabulary

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Time Traveler for hydrazine

Time Traveler

The first known use of hydrazine was in 1887

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Dictionary Entries Near hydrazine

hydrazidine

hydrazine

hydrazine hydrate

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Statistics for hydrazine

Last Updated

11 Jan 2022

Cite this Entry

“Hydrazine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrazine. Accessed 21 Jan. 2022.

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More Definitions for hydrazine

hydrazine

noun
hy·​dra·​zine | \ ˈhī-drə-ˌzēn How to pronounce hydrazine (audio) \

Medical Definition of hydrazine

: a colorless fuming corrosive strongly reducing liquid base N2H4 used in the production of various materials (as pharmaceuticals and plastics) also : an organic base derived from this compound

More from Merriam-Webster on hydrazine

Britannica English: Translation of hydrazine for Arabic Speakers

Britannica.com: Encyclopedia article about hydrazine

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