follow Dictionary.com

What is the X in X-mas?

hypergolic

[hahy-per-gaw-lik, -gol-ik] /ˌhaɪ pərˈgɔ lɪk, -ˈgɒl ɪk/
adjective
1.
(especially of rocket-fuel propellant constituents) igniting spontaneously upon contact with a complementary substance.
Origin
1945-1950
1945-50; hyp(er)- + erg- + -ol2 + -ic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for hypergolic

hypergolic

/ˌhaɪpəˈɡɒlɪk/
adjective
1.
(of a rocket fuel) able to ignite spontaneously on contact with an oxidizer
Word Origin
C20: from German Hypergol (perhaps from hyp(er-) + erg1 + -ol²) + -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
Cite This Source
hypergolic in Science
hypergolic
  (hī'pər-gŏl'ĭk)   
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.
Cite This Source

Word of the Day

Difficulty index for hypergolic

Few English speakers likely know this word

Word Value for hypergolic

0
23
Scrabble Words With Friends