reductant

noun

re·​duc·​tant ri-ˈdək-tənt How to pronounce reductant (audio)
: reducing agent

Examples of reductant in a Sentence

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This led the Doshisha University team to introduce a novel, chemical-reductant-free, single-step pyrolytic method that utilizes agricultural bullrush waste as both a carbonaceous matrix and a gas-phase reduction template. — Jennifer Bringle, Footwear News, 2 Oct. 2026 Green hydrogen can replace grey hydrogen to carry energy in chemicals and refining processes, while it is used as a reductant to remove oxygen from iron ore during steel production. — Heather Farmbrough, Forbes.com, 31 Mar. 2025

Word History

First Known Use

1924, in the meaning defined above

Time Traveler
The first known use of reductant was in 1924

Rhymes for reductant

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Browse Nearby Words

reduct
reductant
reductase
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Cite this Entry

“Reductant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reductant. Accessed 9 Oct. 2026.

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