purgation

/pərˈɡeɪʃən/
noun
  1. The act of making something clean or pure, especially by removing unwanted or harmful elements.
    • The city's water treatment plant ensures the purgation of pollutants.
    • The ritual involved a symbolic purgation of evil spirits.
    • Some people believe in emotional purgation through crying or talking.
  2. In medicine, the act of emptying the bowels, often with the help of a laxative.
    • The herbal tea was used for purgation and cleansing the digestive system.
    • In ancient times, purgation was a common treatment for many illnesses.
    • The doctor recommended a gentle purgation to relieve the patient's constipation.