hypergolic

[hahy-per-gaw-lik, -gol-ik]

hy·per·gol·ic

[hahy-per-gaw-lik, -gol-ik]
adjective
(especially of rocket-fuel propellant constituents) igniting spontaneously upon contact with a complementary substance.

Origin:
1945–50; hyp(er)- + erg- + -ol2 + -ic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Hypergolic is always a great word to know.
So is bezoar. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Collins
World English Dictionary
hypergolic (ˌhaɪpəˈɡɒlɪk)
 
adj
(of a rocket fuel) able to ignite spontaneously on contact with an oxidizer
 
[C20: from German Hypergol (perhaps from hyp(er-) + erg1 + -ol²) + -ic]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Science Dictionary
hypergolic   (hī'pər-gŏl'ĭk)  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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