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catalyst

 
/ˈkætəlɪst/ noun [C]

Translation

someone or something that causes change
değişime neden olan kişi ya da şey
Recent riots and suicides have acted as a catalyst for change in the prison system.1865
a substance that makes a chemical reaction happen more quickly2420
(Definition of catalyst noun from the Cambridge Learner's Dictionary English-Turkish © Cambridge University Press)

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