catalyst

• مادة تزيد سرعة التفاعل الكيميائي دون أن تُستهلك في أثناءه، أو شخص أو حدث يُحدث تغييرًا.

A substance that increases the rate of a chemical reaction without being consumed in the process, or a person or thing that precipitates an event or change.

1. Chemical catalystB2formalscientific

   A substance that increases the rate of a chemical reaction without being consumed in the process.

   حفاز

   • Platinum is often used as a catalyst in catalytic converters.
   • Enzymes act as biological catalysts in the human body.
   • The chemist added a catalyst to speed up the reaction.

   الأضدادinhibitorpoison

2. Agent of changeB2formal

   A person or thing that causes an important change or event to happen.

   عامل التغيير

   • The new policy was a catalyst for economic growth.
   • Her speech acted as a catalyst for social reform.
   • The discovery was a catalyst for further research in the field.

   المرادفاتdriving forceimpetusinspirationinstigatormotivatorsparkstimulustrigger