0 a machine or a substance that removes harmful substances from something:
Destructors fulfilled their function as great purifiers, and were employed to destroy diseased animals and materials and condemned food.
This explosion occurred in connection with the emptying of a purifier.
One of the difficulties has been to stimulate competitive development of exhaust purifiers.
So far as water is concerned, let us send out more water purifiers.
Peat can act as both a reservoir and purifier of water supplies.
The staff compartment is situated at the rear with a 12-berth staff-quarter, kitchen unit, water purifier, a gas stove and electric oven and refrigerator.
For these reasons they are touted as water purifiers of untapped value.
Dissatisfied with existing products, he set out to build a line of portable air purifiers with medical grade air cleaning performance.
