What does catalyst mean?
Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. Enzymes are naturally occurring catalysts responsible for many essential biochemical reactions.
How do you pronounce this word catalyst?
How is an pronounced?
It’s very unusual, but we can and then their pronunciation changes. A becomes a (ay), and an becomes an (aan). And if we’re saying the letter of the alphabet, we say Ay.