Meaning : (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.
Synonyms : accelerator
(chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst.
anticatalystMeaning : Something that causes an important event to happen.
Example :
The invasion acted as a catalyst to unite the country.
Catalyst ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Catalyst ka matlab kya hota hai?