Definitions

1. noun

A device or system for purifying something, especially air or water.

“The new air purifier in the hotel room helped reduce allergy symptoms.”

2. noun

A person or thing that purifies something.

“The water purifier at the campsite made the water safe for drinking.”

3. verb

To make something pure or free from impurities.

“The engineer was tasked with purifying the contaminated water supply.”