[1] : The Collaborative International Dictionary of English v.0.48

gas \gas\ ga^s, v. t. imp.  p. p. gassed ga^st; p.
   pr.  vb. n. gassing.
   1. textiles to singe, as in a gas flame, so as to remove
      loose fibers; as, to gas thread.
      webster 1913 suppl.

   2. to impregnate with gas; as, to gas lime with chlorine in
      the manufacture of bleaching powder.
      webster 1913 suppl.

   3. to expose to a poisonous or noxious gas "the protest
      threatened to become violent, and the police gassed the
      demonstrators to force them to disperse."
      pjc
see also:
gassed gassing 

[2] : The Collaborative International Dictionary of English v.0.48

gassing \gas"sing\, n.
   1. manuf. the process of passing cotton goods between two
      rollers and exposing them to numerous minute jets of gas
      to burn off the small fibers; any similar process of
      singeing.
      1913 webster

   2. boasting; insincere or empty talk. slang
      1913 webster

[3] : WordNet (r) 2.0

gassing
     see gas
see also:
gas 

[4] : WordNet (r) 2.0

gas
     n 1: the state of matter distinguished from the solid and liquid
          states by: relatively low density and viscosity;
          relatively great expansion and contraction with changes
          in pressure and temperature; the ability to diffuse
          readily; and the spontaneous tendency to become
          distributed uniformly throughout any container
     2: a fluid in the gaseous state having neither independent
        shape nor volume and being able to expand indefinitely
     3: a volatile flammable mixture of hydrocarbons hexane and
        heptane and octane etc. derived from petroleum; used
        mainly as a fuel in internal-combustion engines syn: gasoline,
         gasolene, petrol
     4: a state of excessive gas in the alimentary canal syn: flatulence,
         flatulency
     5: a pedal that controls the throttle valve; "he stepped on the
        gas" syn: accelerator, accelerator pedal, gas pedal,
         throttle, gun
     6: a fossil fuel in the gaseous state; used for cooking and
        heating homes syn: natural gas
     v 1: attack with gas; subject to gas fumes; "the despot gassed
          the rebellious tribes"
     2: show off syn: boast, tout, swash, shoot a line, brag,
         blow, bluster, vaunt, gasconade
     also: gassing, gasses, gassed, gasses pl
see also:
gasoline gasolene petrol flatulence flatulency accelerator 
accelerator pedal gas pedal throttle gun natural gas 
boast tout swash shoot a line brag 
blow bluster vaunt gasconade gassing 
gasses gassed 

[5] : WordNet (r) 2.0

gassing
     n 1: the process of interacting with gas
     2: the deliberate act of poisoning some person or animal with
        gas

Gassing >> G Words
Gassing, definition of term: Gassing
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