edetate (ee-di-tayt) n. a salt of the compound ethylenediaminetetraacetic acid (EDTA), used as a chelating agent in the treatment of poisoning. dicobalt e. an antidote to cyanide, administered by intravenous injection as soon as possible after poisoning. sodium calcium e. a drug administered by intravenous infusion to treat poisoning by heavy metals, especially lead.

edetate See EDTA.