1. medical care given to a patient for an illness or injury
2. the way someone or something is handled or dealt with
3. a process used to clean, preserve, or change something

Examples

• The doctor recommended a new treatment for her back pain.
• He received excellent treatment at the hospital.
• The treatment of prisoners must follow international standards.
• She complained about the unfair treatment she received at work.
• The water treatment plant removes harmful chemicals.
• This wood needs special treatment to prevent rot.
• The treatment of the data took several hours to complete.