Definition of hypergolic in English:


Line breaks: hy¦per|gol¦ic
Pronunciation: /ˌhʌɪpəˈgɒlɪk


  • (Of a rocket propellant) igniting spontaneously on mixing with another substance.
    More example sentences
    • The Titan uses Aerojet-General LR87 and LR91 engines burning liquid hypergolic propellants that ignite spontaneously on contact.
    • Other onboard power sources serve as latent explosion triggers, including batteries, other pressurized systems, fuel cells and hypergolic fuels.
    • The testing of the hypergolic performance of the formulations can be achieved without gelling.


1940s: from German Hypergol, probably from hyper- 'beyond' + Greek ergon 'work' + -ol.

More definitions of hypergolic

Definition of hypergolic in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day skosh
Pronunciation: skōSH
a small amount; a little