What does catalyst means?

Question

What does catalyst means?

Answer 1

normally, it is a person or thing that assists in change. it is also a chemistry term, that causes a chemical reaction, but itself remain unchanged.

See the link for all the meanings of the word.

Answer 2

a catalyst is something that sets of a chain of unfortunate events.

Answer 3

It's a chemical term, meaning a substance that when added to another substance changes it or causes dissolution, while the catalyst itself remains unchanged.