catalyzer

/ˈkætəlaɪzər/
noun
  1. A substance that speeds up a chemical reaction without being changed itself.
    • The lab ordered a new catalyzer to improve the efficiency of the experiment.
    • The catalyzer in the car's exhaust system helps reduce harmful emissions.
    • Platinum is often used as a catalyzer in industrial chemical processes.
  2. A person or thing that causes an important change or event to happen.
    • The young activist became a catalyzer for change in her neighborhood.
    • The grant was a catalyzer that allowed the startup to grow rapidly.
    • His book acted as a catalyzer for public debate on education reform.
Antonyms
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