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propellant

[pruh-pel-uh nt] /prəˈpɛl ənt/
noun
1.
a propelling agent.
2.
the charge of explosive used to propel the projectile from a gun.
3.
a substance, usually a mixture of fuel and oxidizer, for propelling a rocket.
4.
a compressed inert gas that serves to dispense the contents of an aerosol container when the pressure is released.
Origin of propellant
1915-1920
1915-20; propel + -ant
Related forms
multipropellant, noun
Can be confused
propellant, propellent.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for propellant

propellant

/prəˈpɛlənt/
noun
1.
something that provides or causes propulsion, such as the explosive charge in a gun or the fuel in a rocket
2.
the gas used to carry the liquid droplets in an aerosol spray
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
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Word Origin and History for propellant
n.

less-etymological, but more usual, spelling of propellent; 1881 as a firearm explosive; 1919 as "fuel for a rocket engine."

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for propellant

14
19
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