Meaning & use
Hypergols
Last updated
Propellant chemicals that ignite spontaneously on contact with each other, without needing an external ignition source.
See it in a sentence
Many spacecraft thrusters use hypergols because they ignite reliably even in the vacuum of space.
Engineers handle hypergols with extreme caution due to their toxicity and reactivity.
A note on using this word
Hypergols are prized in rocketry for their reliability, since they don't require a separate ignition system, but many are highly toxic and corrosive.
Words with a similar meaning
hypergolic propellants
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