lightbulb

2 definitions found

lightbulb - Collaborative International Dictionary of English v.0.48 :

  lightbulb \lightbulb\, light bulb \light bulb\n.
     A glass bulb with metallic contacts on the outside connected
     to a wire filament (usually tungsten) inside that emits light
     when heated by passage of electricity through the filament;
     -- used as the replaceable light-emitting component of an
     electric lamp, flashlight, lighting fixture, etc.
  
     Syn: light bulb, bulb, incandescent lamp, electric light,
          electric-light bulb.
          [WordNet 1.5 +PJC]

lightbulb - WordNet (r) 2.1 (2005) :

  lightbulb
      n 1: electric lamp consisting of a transparent or translucent
           glass housing containing a wire filament (usually tungsten)
           that emits light when heated by electricity [syn: light bulb
           , lightbulb, bulb, incandescent lamp, electric light
           , electric-light bulb]