[ US /ˈkætəɫəst, ˈkætəɫɪst/ ]
[ UK /kˈætɐlˌɪst/ ]
  1. something that causes an important event to happen
    the invasion acted as a catalyst to unite the country
  2. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
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How To Use catalyst In A Sentence

  • Poirot himself remains unchanged, although his interference is a catalyst for the woman's change. Archive 2008-10-01
  • Platinum is used in catalysts for car exhausts. Times, Sunday Times
  • Using encapsulated liquid tricyclic, like diolefin, and some kind of catalyst for quick hardening. Archive 2009-03-01
  • The wolf market may be here to stay, at least until the economic recovery accelerates or another catalyst prompts the market to find footing.
  • The election might be a catalyst for change of the sort that the junta had not foreseen. Times, Sunday Times
  • The acid protonates the amidine groups and renders the catalyst water-soluble. Chemical & Engineering News: Latest News
  • In the development of better asymmetric hydrogenation catalysts it is important to increase the energy difference between the transition complexes in order to obtain, as a consequence, larger enantiomeric excess. The Nobel Prize in Chemistry 2001 - Information for the Public
  • Silicone surfactants, and amine and tin catalysts, are also used.
  • Will it prove a catalyst, a precursor to brighter things? Times, Sunday Times
  • Experts in how different peoples and cultures use indigenous plants, the field known as ethnobotany, believe the work could prove a catalyst for medical breakthroughs, putting scientists on the trail of new, life-saving drugs.
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