reducing agent


Definition of reducing agent

: a substance that reduces a chemical compound usually by donating electrons

Examples of reducing agent in a Sentence

Recent Examples on the Web Genetically engineered bacteria had already been harnessed to replace chemical synthesis of indigo; but this new work has also managed to avoid using the hazardous reducing agents needed to render the dye active. Diana Gitig, Ars Technica, "A greener shade of blue," 11 Jan. 2018 This is a commercial challenge, the authors admit, but is less toxic than the current reliance on reducing agents. Diana Gitig, Ars Technica, "A greener shade of blue," 11 Jan. 2018

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

First Known Use of reducing agent

1816, in the meaning defined above

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The first known use of reducing agent was in 1816

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Cite this Entry

“Reducing agent.” Dictionary, Merriam-Webster, Accessed 3 Apr. 2020.

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More Definitions for reducing agent

reducing agent


Medical Definition of reducing agent

: a substance that reduces especially : a substance (as hydrogen, sodium, or hydroquinone) that donates electrons or a share in its electrons to another substance

called also reductant

— compare oxidizing agent

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