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[dih-fley-shuh n] /dɪˈfleɪ ʃən/
the act of deflating or the state of being deflated.
Economics. a fall in the general price level or a contraction of credit and available money (opposed to inflation).
Compare disinflation.
the erosion of sand, soil, etc., by the action of the wind.
Origin of deflation
First recorded in 1890-95; deflate + -ion
Related forms
deflationary, adjective
deflationism, noun
deflationist, noun, adjective
nondeflation, noun
nondeflationary, adjective
self-deflation, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for deflation
Contemporary Examples
Historical Examples
  • Three pairs of lungs sighed audibly in process of deflation.

    The Range Boss Charles Alden Seltzer
  • deflation, on the other hand, is usually a much shorter period.

    After the Rain Sam Vaknin
  • It was led down the path of deflation, which the IMF has plunged half the world into.

    After the Rain Sam Vaknin
  • They had turned his deflation into antagonism, his ignorance into distrust.

    Assassin Jesse Franklin Bone
  • Industry during the period of deflation goes through a process like that of an over-fat man taking a Turkish bath.

    Success (Second Edition) Max Aitken Beaverbrook
British Dictionary definitions for deflation


the act of deflating or state of being deflated
(economics) a reduction in the level of total spending and economic activity resulting in lower levels of output, employment, investment, trade, profits, and prices Compare disinflation
(geology) the removal of loose rock material, sand, and dust by the wind
Derived Forms
deflationary, adjective
deflationist, noun, 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
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Word Origin and History for deflation

1891, "release of air," from deflate + -ion. In reference to currency or economic situations, from 1920.

Online Etymology Dictionary, © 2010 Douglas Harper
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deflation in Science
The lifting and removal of fine, dry particles of silt, soil, and sand by the wind. Deflation is common in deserts and in coastal areas that have sand dunes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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deflation in Culture

deflation definition

A decrease in prices, often stated as an increase in the value of money, related to a decline in spending by consumers. (Compare inflation.)

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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