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