reduction

noun

re·​duc·​tion ri-ˈdək-shən How to pronounce reduction (audio)
1
: the act or process of reducing : the state of being reduced
2
a
: something made by reducing
b
: the amount by which something is reduced
3
[Spanish reducción, from Latin reduction-, reductio] : a South American Indian settlement directed by Jesuit missionaries
4
: meiosis sense 2
specifically : production of the gametic chromosome number in the first meiotic division
reductional
ri-ˈdək-shnəl How to pronounce reduction (audio)
-shə-nᵊl
adjective

Examples of reduction in a Sentence

a drastic reduction in size Many voters want to see some reduction of the deficit. There is a 20 percent reduction on selected items during this sale.
Recent Examples on the Web Most cited cost reduction as the reason for the layoffs. Rachyl Jones, Fortune, 9 Apr. 2024 The mercury could temporarily drop a few degrees during the actual eclipse because of the reduction in solar radiation, said Kristan Lund, a meteorologist with the National Weather Service. Hannah Fry, Los Angeles Times, 8 Apr. 2024 Much of that crude is being sent to Europe, to replace reductions in Russian supplies, and to Asia. The Arizona Republic, 5 Apr. 2024 The agreement with the gangs, which the administration denies making, involved handing out financial incentives, prison benefits, and protection from extradition in exchange for electoral support and a general reduction in homicides. Danielle MacKey, The New Yorker, 5 Apr. 2024 Despite New York City’s industry safety standards, the report noted a reduction of inspections and agency enforcement as deaths have increased. Ramishah Maruf, CNN, 4 Apr. 2024 Humes not only provides solutions for waste reduction, but also emphasizes the significant roles people can play as individuals in creating a cleaner future, empowering us with the knowledge that our actions matter. Abc News, ABC News, 4 Apr. 2024 Since the laws of nature cannot be cheated, further reductions must come from using different fuels. Kathleen Turner, Forbes, 29 Mar. 2024 Szabo has been arguing for the reductions for several weeks, saying they’re needed at a time when the mayor and council are giving, or expected to give, pay increases to police officers, firefighters and civilian workers represented by the Coalition of L.A. City Unions. David Zahniser, Los Angeles Times, 29 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'reduction.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English reduccion restoration, from Middle French reducion, from Late Latin & Latin; Late Latin reduction-, reductio reduction (in a syllogism), from Latin, restoration, from reducere

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of reduction was in the 15th century

Dictionary Entries Near reduction

Cite this Entry

“Reduction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reduction. Accessed 17 Apr. 2024.

Kids Definition

reduction

noun
re·​duc·​tion ri-ˈdək-shən How to pronounce reduction (audio)
1
: the act or process of reducing : the state of being reduced
2
a
: something made by reducing
b
: the amount by which something is reduced in price
3
: meiosis
especially : halving of the chromosome number in the reduction division
reductive
-ˈdək-tiv
adjective

Medical Definition

reduction

noun
re·​duc·​tion ri-ˈdək-shən How to pronounce reduction (audio)
1
: the replacement or realignment of a body part in normal position or restoration of a bodily condition to normal
2
: the process of reducing by chemical or electrochemical means
3
: the psychological diminishment of emotion or needs through activity or adjustment
4
: meiosis
specifically : production of the gametic chromosome number in the first meiotic division

More from Merriam-Webster on reduction

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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