Sparkplug (noun) Definition, Meaning & Examples

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verb (used with object), spark·plugged, spark·plug·ging.Informal.
  1. to lead, inspire, or animate something or someone.
noun
  1. a device designed to fit in each cylinder of a gasoline-powered internal-combustion engine and to produce the electric spark for igniting the mixture of gasoline and air.
  2. a person who leads, inspires, or animates a group.
noun
  1. another name for sparking plug
    Sparkplug (noun) Definition, Meaning & Examples

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