EDTA

noun
\ ˌē-(ˌ)dē-(ˌ)tē-ˈā How to pronounce EDTA (audio) \

Definition of EDTA

: a white crystalline acid C10H16N2O8 that is widely used as a chelating and sequestering (see sequester entry 1 sense 3) agent especially to inhibit the reactivity of metal ions

Note: In addition to industrial and scientific applications, EDTA is used as a food additive to preserve foods and inhibit discoloration. It is also used in medicine especially in chelation therapy to treat lead poisoning. EDTA is typically used in the form of a salt (such as the disodium salt C10H14N2O8Na2·2H2O or the calcium disodium salt C10H12N2O8Na2·3H2O).

First Known Use of EDTA

1951, in the meaning defined above

History and Etymology for EDTA

ethylenediaminetetraacetic acid

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Cite this Entry

“EDTA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/EDTA. Accessed 26 Jan. 2022.

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More Definitions for EDTA

EDTA

noun
\ ˌē-ˌdē-ˌtē-ˈā How to pronounce EDTA (audio) \

Medical Definition of EDTA

: a white crystalline acid C10H16N2O8 used in medicine as an anticoagulant and as a chelator in the treatment of lead poisoning

called also ethylenediaminetetraacetic acid

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