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Medical Definition of Edetate
1. USAN-approved contraction for ethylenediaminetetraacetate, the anion of ethylenediaminetetraacetic acid; various edetate's are used as chelating agents to carry cations in (e.g., ferric sodium edetate as an iron ion carrier) or out (e.g., sodium edetate for calcium or heavy metal ion removal). (05 Mar 2000)