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.

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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

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hydrazine Scientific  

/ hī′drə-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 .

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Etymology

Origin of hydrazine

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

Example Sentences

He said the company didn’t know hydrazine was in the water and didn’t know to test for it.

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

In the presence of a large excess of ammonia at low temperature, the chloramine reacts further to produce hydrazine, N2H4:

From Textbooks • Feb. 14, 2019

Making water Matt Damon’s character took hydrazine from the rocket fuel and dissociated it into nitrogen and hydrogen, which you can do, and he burned the hydrogen with oxygen to make water.

From The Guardian • Oct. 6, 2015

Then, I'll release hydrazine, very slowly, over the iridium catalyst, to turn it into N2 and H2.

From "The Martian" by Andy Weir