Plug
Plug noun - Electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark.
Sparking plug is a synonym for plug. In some cases you can use "Sparking plug" instead a noun "Plug".
Sparking plug
Sparking plug noun - Electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark.
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Synonyms for Sparking plug
Mutual synonyms
Cite this Source
Sparking plug and Plug. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/plug/sparking_plug
Plug & Sparking plug. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/plug/sparking_plug>.
Sparking plug or Plug. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/plug/sparking_plug.
Google Ngram Viewer shows how "plug" and "sparking plug" have occurred on timeline