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subjected to a physical (or chemical) treatment or action or agent;
"the sludge of treated sewage can be used as fertilizer"
"treated timbers resist rot"
"treated fabrics resist wrinkling"
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given medical care or treatment;
"a treated cold is usually gone in 14 days; if left untreated it lasts two weeks"
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made hard or flexible or resilient especially by heat treatment;
"a sword of tempered steel"
"tempered glass"