reduction

noun
re·​duc·​tion | \ ri-ˈdək-shən How to pronounce reduction (audio) \

Definition of reduction

1 : the act or process of reducing : the state of being reduced
2a : 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

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Other Words from reduction

reductional \ ri-​ˈdək-​shnəl How to pronounce reductional (audio) , -​shə-​nᵊl \ adjective

Synonyms & Antonyms for reduction

Synonyms

abatement, deduction, discount

Antonyms

accession, addition

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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.
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Recent Examples on the Web

While renovated branches were stocked with new DVDs, hardback books, CDs, and other materials, patrons and staff expressed concerns about the reduction in materials. Tylisa C. Johnson, https://www.inquirer.com, "Report: Patrons give Free Library’s renovated branches high marks," 4 June 2019 The revised 2020 model that's used in the film has undergone a refresh that sees weight reductions, a slight boost in engine output, and tweaks to its suspension to improve handling. Drew Dorian, Car and Driver, "The Lexus RC F Is the Ride of Choice for the Men in Black in Their Newest Movie," 29 May 2019 The dramatic price reductions in wind and solar — and more recently in offshore wind — reflect this last part of the learning curve. David Roberts, Vox, "Climate change policy can be overwhelming. Here’s a guide to the policies that work.," 30 Nov. 2018 Electricity production was the biggest source of greenhouse gas emissions reductions, the board said, in part because of cleaner sources such as hydroelectricity from a rainy year. Lucas Laursen, Fortune, "California Beat Its 2020 Emissions Target Four Years Early," 12 July 2018 Try dishes like sauteed foie gras with seasonal fruit and balsamic reduction ($22); coq au vin with chicken in red wine sauce, mushrooms and onions ($16); crispy duck confit with lentils, bacon and red wine sauce ($20); or steak frites ($24). Georgann Yara, azcentral, "French restaurants in Phoenix to celebrate Bastille Day," 9 July 2018 The budget continues class-size reductions, increases safety and security spending, and maintains the millage rate at 19.45 mills, officials said. David Ibata, ajc, "Cherokee schools OK budget, superintendent’s contract," 25 June 2018 Every year decarbonization is put off the reductions required will become greater, the collective hardships more difficult to bear. Nicole Phelps, Vogue, "Choose Used! In Honor of Earth Day, 8 Fashion Insiders Model Their Oldest, Most Treasured Clothes," 22 Apr. 2019 Nominees to circuit courts, cabinet positions, and the Supreme Court are exempt from the reduction in debate time. ... Andrew Duehren, WSJ, "Senate GOP Invokes ‘Nuclear Option’ to Change Rules by Simple Majority," 3 Apr. 2019

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

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First Known Use of reduction

15th century, in the meaning defined at sense 1

History and Etymology for reduction

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

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Statistics for reduction

Last Updated

8 Jun 2019

Look-up Popularity

Time Traveler for reduction

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

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More Definitions for reduction

reduction

noun

English Language Learners Definition of reduction

: the act of making something smaller in size, amount, number, etc. : the act of reducing something
: an amount by which something is reduced

reduction

noun
re·​duc·​tion | \ ri-ˈdək-shən How to pronounce reduction (audio) \

Kids Definition of reduction

1 : the act of making something smaller or less : the state of being made smaller or less a reduction in noise
2 : the amount by which something is made smaller or less

reduction

noun
re·​duc·​tion | \ ri-ˈdək-shən How to pronounce reduction (audio) \

Medical Definition of reduction

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

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Comments on reduction

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