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

ignitor \ignit"or\, n.
   one who, or that which, produces ignition; especially, a
   contrivance for igniting the powder in a torpedo or the like.
   written also igniter.
   1913 webster
see also:
igniter 

[2] : WordNet (r) 2.0

ignitor
     n 1: a substance used to ignite or kindle a fire syn: igniter,
           lighter
     2: a device for lighting or igniting fuel or charges or fires;
        "do you have a light?" syn: lighter, light, igniter
see also:
igniter lighter light 

Ignitor >> I Words
Ignitor, definition of term: Ignitor
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