Catalyst ( noun , verb )

(As a noun)

Catalyst ( noun )

1. A substance that increases the rate of a chemical reaction without being consumed by the reaction.
2. A person or thing that causes change or action, especially in a situation where little or no change or action is happening.

Origin:

Derived from the greek word "katalyses" which means "dissolution" or "loosening" and the greek word "kataluō" which means "to dissolve" or "to break down".

Examples:

1. The catalyst was added to speed up the reaction.
2. The catalyst was not consumed in the reaction.
3. The catalyst lowered the activation energy of the reaction.
4. He was a catalyst for change in the company.
5. She was a catalyst for progress in the community.

(As a verb)

Catalyst ( verb )

1. A substance that increases the rate of a chemical reaction without being consumed by the reaction.
2. A person or thing that causes change or action, especially in a situation where little or no change or action is happening.

Origin:

Derived from the greek word "katalyses" which means "dissolution" or "loosening" and the greek word "kataluō" which means "to dissolve" or "to break down".

Examples:

1. The catalyst was added to speed up the reaction.
2. The catalyst was not consumed in the reaction.
3. The catalyst lowered the activation energy of the reaction.
4. He was a catalyst for change in the company.
5. She was a catalyst for progress in the community.