Phenomenon or Process
catalyst Audio
cat·a·lyst [ kat-l-ist ]
Definitions related to catalyst:
  • A substance that initiates or accelerates a chemical reaction without itself being affected.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Substance that increases the rate of a chemical reaction or process without being consumed in the net reaction.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The catalyst of a chemical reaction, such as an enzyme or a platinum surface. In biochemical reactions, connects the enzyme with the molecular interaction
    NCI Health Level 7 Vocabulary
    U.S. National Cancer Institute, 2018
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