EDTA

Chemistry, Pharmacology.
  1. ethylenediaminetetraacetic acid: a colorless compound, C10H16N2O8, capable of chelating a variety of divalent metal cations: as a salt used as an anticoagulant, antioxidant, blood cholesterol reducer, food preservative; as a calcium-disodium salt used in the treatment of lead and other heavy-metal poisonings.
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British Dictionary definitions for edta

EDTA

noun
  1. ethylenediaminetetra-acetic acid; a colourless crystalline slightly soluble organic compound used in inorganic chemistry and biochemistry. It is a powerful chelating agent used to stabilize bleach in detergents. Formula: [(HOOCCH 2) 2 NCH 2 ] 2
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

edta in Medicine

EDTA

[ē′dē-tē-ā]
n.
  1. Ethylenediaminetetraacetic acid; a crystalline acid that acts as a strong chelating agent and that forms a sodium salt used as an antidote for metal poisoning and as an anticoagulant.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.