Meaning of edetate calcium disodium

ed'e•tate cal'cium diso'dium

Pronunciation: (ed'u-tāt"), [key]
— n. Pharm.
  1. a chelating agent, CHCaNNaO, used in medicine to treat lead poisoning.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.