reduction
the act of reducing or the state of being reduced.
the amount by which something is reduced or diminished.
a form produced by reducing a copy on a smaller scale.
Cell Biology. meiosis, especially the first meiotic cell division in which the chromosome number is reduced by half.
Chemistry. the process or result of reducing.
Movies. the process of making a print of a narrower gauge from a print of a wider gauge: the reduction of 35-millimeter films to 16-millimeter films for the school market.
a village or settlement of Indians in South America established and governed by Spanish Jesuit missionaries.
Origin of reduction
1Other words from reduction
- re·duc·tion·al, adjective
- an·ti·re·duc·tion, adjective
- non·re·duc·tion, noun
- non·re·duc·tion·al, adjective
- o·ver·re·duc·tion, noun
- pro·re·duc·tion, adjective
- self-re·duc·tion, noun
Words Nearby reduction
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use reduction in a sentence
Sure enough, the average change in diastolic blood pressure was a clinically significant reduction of five mmHg, which is good news.
Why Altitude Training Helps Some but Not Others | Alex Hutchinson | September 11, 2020 | Outside OnlineDriven by environmental concerns, Kim-Parker saw an opportunity to create a space that would aid in the reduction of pollution in the fashion landscape.
The CEO striving to make vintage, secondhand clothing as popular as fast fashion | Rachel King | September 6, 2020 | FortuneThose reductions would mean much longer wait times and more crowded buses and subways.
New York City transit needs a $12 billion bailout—or the entire U.S. economic recovery may suffer | dzanemorris | September 3, 2020 | FortuneThe potential for future reductions in the cost of electricity from silicon solar, for example, is limited.
How a New Solar and Lighting Technology Could Propel a Renewable Energy Transformation | Sam Stranks | September 3, 2020 | Singularity HubThe housing authority agreed to lower Brown’s rent to $318 a month but said the reduction would not take effect until March.
She Was Sued Over Rent She Didn’t Owe. It Took Seven Court Dates to Prove She Was Right. | by Danielle Ohl, Capital Gazette, and Talia Buford and Beena Raghavendran, ProPublica | August 25, 2020 | ProPublica
Does that mean a reduction in policing would be a good thing?
Like many I spoke to, Williams seemed to desire a reorientation of policing, rather than just a reduction.
Proper use could lead to weight loss and reduction in gastric reflux.
The reduction in the unemployment levels is largely due to part time jobs and more people simply giving up looking for jobs.
Voters Remind D.C. That the Economy Still Sucks | Stuart Stevens | November 6, 2014 | THE DAILY BEASTReagan learned this in the midst of negotiating historic arms-reduction treaties with the Soviets at the height of the Cold War.
It’s Time to Nail the Iran Nuke Deal | Rep. Rush Holt, Kate Gould | October 15, 2014 | THE DAILY BEASTIt is clear, therefore, that the reserve reduction contemplated by the act will not be realized in practice.
Readings in Money and Banking | Chester Arthur PhillipsIf a company has no debts, a reduction in its capital made in an open manner in accordance with law, is legal.
Putnam's Handy Law Book for the Layman | Albert Sidney BollesOn the 28th of March however it was found necessary to make a considerable reduction in the allowance.
That high-pressure engines owed their advantages mainly to a reduction of the relative importance of this latent heat.
Life of Richard Trevithick, Volume II (of 2) | Francis TrevithickThis agreement caused a great reduction in the number of imports from Great Britain to these colonies.
Hallowed Heritage: The Life of Virginia | Dorothy M. Torpey
British Dictionary definitions for reduction
/ (rɪˈdʌkʃən) /
the act or process or an instance of reducing
the state or condition of being reduced
the amount by which something is reduced
a form of an original resulting from a reducing process, such as a copy on a smaller scale
a simplified form, such as an orchestral score arranged for piano
maths
the process of converting a fraction into its decimal form
the process of dividing out the common factors in the numerator and denominator of a fraction; cancellation
Derived forms of reduction
- reductive, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for reduction
[ rĭ-dŭk′shən ]
The changing of a fraction into a simpler form, especially by dividing the numerator and denominator by a common factor. For example, the fraction 812 can be reduced to 46, which can be further reduced to 23, in each case by dividing both the numerator and denominator by 2.
A chemical reaction in which an atom or ion gains electrons, thus undergoing a decrease in valence. If an iron atom having a valence of +3 gains an electron, the valence decreases to +2. Compare oxidation.
usage For reduction
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for reduction
Any chemical reaction in which the atoms in a material take on electrons.
Notes for reduction
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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