propellant

[pruh-pel-uh nt]
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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

First recorded in 1915–20; propel + -ant
Related formsmul·ti·pro·pel·lant, noun
Can be confusedpropellant propellent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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Historical Examples of propellant


British Dictionary definitions for propellant

propellant

propellent

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

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