1. a person or thing that causes something to happen suddenly or prematurely
2. a device used to remove particles from gas or air, especially in industrial processes
Usage: technical

Examples

• The economic crisis was the precipitator of widespread social unrest.
• His harsh criticism became the precipitator of their argument.
• The factory installed a new precipitator to reduce air pollution.
• The electrostatic precipitator removes dust particles from the smokestack emissions.
• She was the precipitator of change in the organization.
• The precipitator efficiently captured 99% of the particulate matter.