che·la·tor noun \kē-ˈlā-tər also chē-\
: one that chelates; especially : a binding agent that suppresses chemical activity by forming chelates
First Known Use of CHELATOR
che·la·tor noun \ˈkē-ˌlāt-ər\ (Medical Dictionary)
: any of various compounds that combine with metals to form chelates and that include some used medically in the treatment of metal poisoning (as by lead)
Seen & Heard
What made you want to look up chelator? Please tell us where you read or heard it (including the quote, if possible).