공기나 물 등에서 불순물을 제거하는 장치나 물질.
A device, substance, or system used to remove contaminants or impurities from a substance, such as air or water.
예문:
"The air purifier in the living room helps reduce allergy symptoms."
"A water purifier is essential for safe drinking water in many regions."
"The chemical purifier was added to the mixture to remove heavy metals."