1. a substance that speeds up a chemical reaction without being consumed in the process
Usage: chemistry
2. something that causes or accelerates a process or event

Examples

• The enzyme acts as a catalyzer in the digestive process.
• Platinum serves as an effective catalyzer in automobile exhaust systems.
• The new policy became a catalyzer for economic growth.
• Her speech was the catalyzer that sparked the reform movement.
• Without a proper catalyzer, the reaction would take hours to complete.
• The scandal served as a catalyzer for changes in corporate governance.