IPA: //ˈhaɪdrəziːn//
KK: /ˈhaɪdrəˌzin/
A colorless and corrosive liquid used mainly as a fuel in rockets and jets.
Hydrazine is often used as a propellant in spacecraft.
Hydrazine is formed from "hydra-" (from Greek "hydor", meaning water) and "-zine" (a suffix used in chemistry to denote a class of compounds). The word refers to a chemical compound that contains nitrogen and is derived from water, indicating its relationship to hydrazine's structure and properties.
Think of 'water' ('hydra-') and a chemical compound ('-zine') to remember that hydrazine is a nitrogen-containing compound related to water.