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 The formula utilizes Japanese angelica root as its effective yet gentle dark-spot-reducing agent. Sarah Han, Allure, 16 Sep. 2021 The formula utilizes Japanese angelica root as its powerful dark-spot-reducing agent. Nykia Spradley, Allure, 8 June 2021 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, 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, 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

Learn More About reducing agent

Time Traveler for reducing agent

Time Traveler

The first known use of reducing agent was in 1816

See more words from the same year

Dictionary Entries Near reducing agent

reducible polynomial

reducing agent

reducing coupling

See More Nearby Entries 

Statistics for reducing agent

Cite this Entry

“Reducing agent.” Dictionary, Merriam-Webster, Accessed 7 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

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

More from Merriam-Webster on reducing agent Encyclopedia article about reducing agent


Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!