oxidation state


Definition of oxidation state

: a positive or negative number that represents the effective charge of an atom or element and that indicates the extent or possibility of its oxidation the usual oxidation state of sodium is +1 and of oxygen −2

called also oxidation number

Examples of oxidation state in a Sentence

Recent Examples on the Web In addition, the vanadium ions can change their oxidation state during this process as well. John Timmer, Ars Technica, "Could “disordered rock salts” bring order to next-gen lithium batteries?," 4 Sep. 2020 The color depends on the oxidation state of the iron atom bound to the muscle. Popular Science, "Everything you’ve ever wanted to know about muscles," 1 Jan. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oxidation state.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of oxidation state

1928, in the meaning defined above

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Time Traveler for oxidation state

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The first known use of oxidation state was in 1928

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Statistics for oxidation state

Last Updated

22 Sep 2020

Cite this Entry

“Oxidation state.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxidation%20state. Accessed 24 Oct. 2020.

More from Merriam-Webster on oxidation state

Britannica.com: Encyclopedia article about oxidation state

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