blowback

noun

the escape to the rear of gases formed during the firing of a weapon or in a boiler, internal-combustion engine, etc
the action of a light automatic weapon in which the expanding gases of the propellant force back the bolt, thus reloading the weapon

Nearby words

  1. blow-in,
  2. blow-molded,
  3. blow-out fracture,
  4. blow-pipe,
  5. blow-up,
  6. blowball,
  7. blowdown,
  8. blowed,
  9. blower,
  10. blowfish

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

Examples from the Web for blowback


Word Origin and History for blowback

blowback

n.

also blow-back, 1883, in reference to flames in enclosed spaces (firearms, furnaces, etc.), from blow (v.1) + back (adv.). Sense in reference to convert actions, etc., is from 1978.

Online Etymology Dictionary, © 2010 Douglas Harper