iodine
/ˈaɪədaɪn/
noun
- A chemical element that is a dark purple solid and is used as a disinfectant and in medicine to treat thyroid problems.
- Iodine is added to salt to help prevent goiter.
- The doctor used iodine to clean the wound before bandaging it.
- She bought a bottle of iodine from the pharmacy for her first aid kit.