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oxidation state

noun

, Chemistry.
  1. the state of an element or ion in a compound with regard to the electrons gained or lost by the element or ion in the reaction that formed the compound, expressed as a positive or negative number indicating the ionic charge of the element or ion.


oxidation state

  1. See valence


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Word History and Origins

Origin of oxidation state1

First recorded in 1945–50
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Example Sentences

The color depends on the oxidation state of the iron atom bound to the muscle.

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oxidation-reductionoxidative phosphorylation