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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
After-school programming One of the most urgent issues facing CPS is the drastic cuts to after-school programs, including an 80% reduction in funding for debate. Chicago Tribune, 26 Oct. 2024 In one of his first major moves as CEO, Auchincloss revised the company's plans to cut oil and gas production by 25% between 2019 and 2030, reversing a previous target of a 40% reduction over the same time-frame. Gaurav Sharma, Forbes, 26 Oct. 2024 Where Trump, Harris stand on key issues:A voters' guide to the 2024 election During his presidency, the Trump administration's climate actions included withdrawing the U.S. from the Paris Agreement, an international effort to limit global warming through greenhouse gas emissions reductions. Kimi Robinson, USA TODAY, 26 Oct. 2024 In two large trials between 2015 and 2019, public sector employees in Iceland worked 35-36 hours per week, with no reduction in pay. Olesya Dmitracova, CNN, 25 Oct. 2024 See all Example Sentences for reduction 

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 8 Nov. 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!