noun🔗ShareA substance that increases the rate of a chemical reaction without being consumed in the process."The chef used a small amount of lemon juice as a catalyst to speed up the sauce's thickening process. "chemistrysubstanceprocessscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareSomeone or something that encourages progress or change."Economic development and integration are working as a catalyst for peace."processactioneventcharacterpersonorganizationsciencesocietybusinessattitudeachievementChat with AIVocabulary GamePractice Reading
noun🔗ShareAn inciting incident that sets the successive conflict into motion."The argument between the siblings was the catalyst for the entire family fight. "storyactionChat with AIVocabulary GamePractice Reading
noun🔗ShareA catalytic converter."The car's catalytic converter was damaged in the accident. "chemistrydevicemachinevehicleenvironmenttechnologyChat with AIVocabulary GamePractice Reading