Example Sentences
"Enzymes act as catalysts for chemical reactions in the body."
"Platinum is used as a catalyst in car exhaust systems."
Synonyms & Related Terms
Quick Check
Which best describes the meaning of catalyst?
Study Tips
To remember catalyst, try writing it in a sentence of your own. Connect it to something you already know about science.
Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.