- (especially of rocket-fuel propellant constituents) igniting spontaneously upon contact with a complementary substance.
Origin of hypergolic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (of a rocket fuel) able to ignite spontaneously on contact with an oxidizer
C20: from German Hypergol (perhaps from hyp (er-) + erg 1 + -ol ²) + -ic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Relating to or using a rocket propellant consisting of liquid fuel and an oxidizer that ignite spontaneously on contact.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.