purify

3 definitions • 5 examples

to remove bad substances from something to make it pure:

Plants help to purify the air.

One of the functions of the kidneys is to purify the blood.

water-purifying tablets

to remove immoral thoughts or acts from something:

One of the main teachings of Buddhism is that you should try to purify your mind.

to rid something of dirty or harmful substances:

Flower growers here are required to purify all their runoff water.