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

---

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 .

---

Etymology

Origin of hydrazine

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

Example Sentences

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

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

From Textbooks • Feb. 14, 2019

Martians are not going to get their water by importing hydrazine from Earth and burning it with precious cabin oxygen, they are going to bake it out of the soil.

From The Guardian • Oct. 6, 2015

I don't even have to perfectly match the hydrazine end of it with the fuel plant CO, part.

From "The Martian" by Andy Weir