B1verbenvironmenthealth
US/ˈpjʊr.ɪ.faɪ/
UK/ˈpjʊə.rɪ.faɪ/
to remove dirty or harmful substances from something so that it becomes clean
In context
This machine purifies the air in the room and removes dust.
We boiled the river water to purify it before drinking.
The factory purified the metal several times to get a high-quality product.
Words that go with purify
verb + noun
- purify waterTablets can purify water on a camping trip.
- purify the airSome plants help purify the air indoors.
- purify the bloodThe kidneys help purify the blood.
- purify drinking waterThe village built a plant to purify drinking water.
- purify seawaterThe plant purifies seawater so people can drink it.
- purify the soilPlants can help purify the soil around old factories.