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Definition of "chelate" []

  • Zoology Having chelae or resembling a chela. (adjective)
  • Chemistry A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions. (noun)
  • Chemistry To combine (a metal ion) with a chemical compound to form a ring. (verb-transitive)
  • Medicine To remove (a heavy metal, such as lead or mercury) from the bloodstream by means of a chelate, such as EDTA. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "chelate" in a sentence
  • "· Acts as a chelate, that is, it forms compounds with metal nutrients (usually iron, zinc, copper, or manganese) increasing their solubility and availability to plants."
  • "We use only the finest and most advanced blend of creatine including magnesium creatine chelate, which is a patented form of the molecule that has been shown to boost strength after only 2 weeks of use."
  • "At about 10: 00 am, under the direction of Dr. Kerry, Abubakar's arm was cleaned with alcohol, and EDTA (ethylene diamine tetraacetic acid), a chelate, was directly injected into the boy's bloodstream."