Simple past tense and past participle of purify.(verb)
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Use "purified" in a sentence
"Water is purified from the Hudson River, as well as utilizing grey water recycling."
"After lighting candles whose wicks are soaked in purified butter, the priests chant and blow a conch shell; the sounds are said to emulate the creation of the earth from the ocean depths and meant to scare off demons."
"Is it safe to simply wash them in purified water or is some further treatment necessary?"