chelator
/ˈkiːleɪtər/
noun
- A chemical substance that binds to metal ions, forming a stable ring-like structure, often used in medicine to remove excess metals from the body or in industrial processes.
- In water treatment, a chelator is added to prevent metal ions from causing stains.
- The doctor prescribed a chelator to help remove lead from the patient's blood.
- Some plants produce a natural chelator to help them absorb iron from the soil.