Hello, you have come here looking for the meaning of the word spark plug. In DICTIOUS you will not only get to know all the dictionary meanings for the word spark plug, but we will also tell you about its etymology, its characteristics and you will know how to say spark plug in singular and plural. Everything you need to know about the word spark plug you have here. The definition of the word spark plug will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofspark plug, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
2003, Growing for Market: News and Ideas for Market Gardeners:
Steve Pincus, a Madison-area farmer who sells produce to L'Etoile, says admiringly of Odessa: "She's a spark plug. She's out there speaking out about sustainable agriculture and local food."
2009 May 30, Al Baker, “Investigators Reviewing a Timeline of Seconds That Led to a Police Shooting”, in New York Times:
Mr. Santiago used a sparkplug to smash the driver’s side window.
(military) A rod (for cylindrical secondaries) or sphere (for spherical secondaries) of fissile material at the center of the secondary of a multistage thermonuclear weapon, which undergoes nuclear fission when compressed to supercriticality by the imploding secondary, helping to raise the secondary to the pressures and temperatures necessary to ignite nuclear fusion in the secondary's fusion fuel.
