[{"word":"sparkplugs","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The part of an internal combustion engine which forms a high-voltage electric spark which ignites the fuel-air mixture to begin the power stroke.","synonyms":[],"antonyms":[]},{"definition":"Someone who is a driving force in new endeavours.","synonyms":["catalyst","instigator","mover and shaker","stimulus","straw that stirs the drink"],"antonyms":[]}],"synonyms":["catalyst","instigator","mover and shaker","stimulus","straw that stirs the drink"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/spark%20plug","https://en.wiktionary.org/wiki/sparkplug","https://en.wiktionary.org/wiki/sparkplugs"]}]