1. the acceleration of a chemical reaction by a substance that is not consumed in the process
Usage: chemistry
2. something that causes or accelerates a process or change
Usage: figurative

Examples

• The enzyme acts through catalysis to speed up the biochemical reaction.
• Platinum serves as a catalyst in the catalysis of hydrogen and oxygen.
• The professor explained how catalysis works in industrial chemical processes.
• Without catalysis, many reactions would proceed too slowly to be useful.
• The new policy served as a catalysis for economic reform.
• Her speech provided the catalysis needed to start the movement.