What is the meaning of catalyst?

noun

  • Chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.
  • Something that causes an important event to happen.
    • usage: "the invasion acted as a catalyst to unite the country"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). catalyst. Retrieved September 20, 2026, from http://smartdefine.org/catalyst/definitions/1229301
ChicagoWordNet. 2010. "catalyst" http://smartdefine.org/catalyst/definitions/1229301 (accessed September 20, 2026).
HarvardWordNet 2010, catalyst, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/catalyst/definitions/1229301>.
MLAWordNet. "catalyst" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/catalyst/definitions/1229301>