hydrazine

noun

hy·​dra·​zine ˈhī-drə-ˌzēn How to pronounce hydrazine (audio)
: 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 Previous North Korean rockets used hypergolic propellants, typically hydrazine and nitrogen tetroxide, or solid fuels, which are also well-suited for military ballistic missiles. Stephen Clark, Ars Technica, 14 June 2024 What's more, the rockets return to Earth with leftover toxic propellants—hydrazine and nitrogen tetroxide—that could be deadly to breathe or touch. Eric Berger, Ars Technica, 5 Jan. 2024 The Peregrine lander's propulsion system uses a hypergolic propellant mixture, combining hydrazine fuel and a solution of nitric oxide and nitrogen tetroxide as the oxidizer. Stephen Clark, Ars Technica, 8 Jan. 2024 There's a buildup of propellant residue in the narrow lines that feed hydrazine fuel to the thrusters. Stephen Clark, Ars Technica, 23 Oct. 2023 In this fashion, certain derivatives of hydrazine were discovered to be effective against Mycobacterium tuberculosis infection in mice, including the famous drug isoniazid, which is still used to this day as part of the standard treatment regimen for the lung infection. Rebecca Kreston, Discover Magazine, 27 Jan. 2016 The spacecraft’s nuclear battery, degraded from its original design spec of 240 watts of power production, now makes about 200 watts, and there are about 11 kilograms of hydrazine fuel left of the 78 kilograms that were aboard when New Horizons launched. Jonathan O'Callaghan, Scientific American, 21 Dec. 2022 A year later, another derivative of hydrazine, iproniazid, was discovered that was equally successful at treating TB infection in mice but even more so in humans. Rebecca Kreston, Discover Magazine, 27 Jan. 2016 The long arc might have been caused by an explosion of hydrazine propellant. Corey S Powell, Discover Magazine, 1 Dec. 2016

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hydrazine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary

First Known Use

1887, in the meaning defined above

Time Traveler
The first known use of hydrazine was in 1887

Dictionary Entries Near hydrazine

Cite this Entry

“Hydrazine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrazine. Accessed 21 Jul. 2024.

Kids Definition

hydrazine

noun
hy·​dra·​zine ˈhī-drə-ˌzēn How to pronounce hydrazine (audio)
: a colorless fuming liquid used especially in fuels for rocket engines

Medical Definition

hydrazine

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

Last Updated: - Updated example sentences
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