iodination

/ˌaɪədɪˈneɪʃən/
noun
  1. The process of adding iodine to a substance, especially to salt or water for health reasons.
    • The factory uses a special machine for the iodination of salt.
    • The iodination of table salt has helped prevent thyroid problems worldwide.
    • Scientists studied the iodination of drinking water in remote villages.