One of the mysteries of the English language finally explained.
(of a rocket propellant) igniting spontaneously on mixing with another substance.
- ‘It should be noted that pyrophoricity is a special case of a hypergolic reaction because the oxidizing agent is restricted to atmospheric oxygen.’
- ‘Other onboard power sources serve as latent explosion triggers, including batteries, other pressurized systems, fuel cells and hypergolic fuels.’
- ‘‘It had hypergolic fuels aboard, which tend to be kind of corrosive,’ Matney told SPACE.com.’
- ‘The testing of the hypergolic performance of the formulations can be achieved without gelling.’
- ‘The Titan uses Aerojet-General LR87 and LR91 engines burning liquid hypergolic propellants that ignite spontaneously on contact.’
- ‘Novel catalysts capable of rendering both polar and non-polar organic fuels hypergolic with rocket-grade hydrogen peroxide are disclosed.’
- ‘The ignition model predicts the amount of hypergolic needed for successful ignition.’
1940s: from German Hypergol, probably from hyper- ‘beyond’ + Greek ergon ‘work’ + -ol.
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