treated

Adjective

• made hard or flexible or resilient especially by heat treatment
  • a sword of tempered steel
    
  • tempered glass
    

• given medical care or treatment; if left untreated it lasts two weeks"
  • a treated cold is usually gone in 14 days
    

• 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
    

Related words

• Synonyms: 
  tempered , hardened , toughened
• Antonyms: 
  untempered , unhardened , untreated