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hydrazine

American  
[hahy-druh-zeen] / ˈhaɪ drəˌzin /

noun

  1. Also called diamine.  a colorless, oily, fuming liquid, N 2 H 4 , that is a weak base in solution and forms a large number of salts resembling ammonium salts: used chiefly as a reducing agent and a jet-propulsion fuel.

  2. a class of substances derived by replacing one or more hydrogen atoms in hydrazine by an organic group.


hydrazine British  
/ ˈhaɪdrəˌziːn, -zɪn /

noun

  1. a colourless basic liquid made from sodium hypochlorite and ammonia: a strong reducing agent, used chiefly as a rocket fuel. Formula: N 2 H 4

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hydrazine Scientific  
/ hīdrə-zēn′,-zĭn /
  1. A colorless, fuming, corrosive liquid with an odor like ammonia that is a powerful reducing agent. It can be combined with organic compounds to form jet and rocket fuels and is also used to make explosives, fungicides, medicines, and photographic chemicals. Chemical formula: N 2 H 4 .


Etymology

Origin of hydrazine

First recorded in 1885–90; hydr- 2 + az- + -ine 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

At trial, jurors were told that tests found Real Water contained hydrazine, a chemical used in rocket fuel that may have been introduced during treatment before bottling.

From Seattle Times Feb. 8, 2024

He also mentions that the Peregrine will fly on “proven” hydrazine fuel, while Intuitive Machines is experimenting with a new cryogenic propulsion system.

From The Verge Apr. 20, 2022

Rocket fuels can include potentially harmful and corrosive materials such as hydrazine, hydrogen peroxide or nuclear materials.

From BBC Sep. 8, 2021

Inorganic derivations include chloramine, NH2Cl, and hydrazine, N2H4:

From Textbooks Feb. 14, 2019

There's just one catch: Liberating hydrogen from hydrazine is . . . well . . . it's how rockets work.

From "The Martian" by Andy Weir

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