[ 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.

Nearby words

  1. definitize,
  2. definitude,
  3. deflagrate,
  4. deflagration,
  5. deflate,
  6. deflationary,
  7. deflationary gap,
  8. deflationary spiral,
  9. deflect,
  10. deflected

Origin of deflation

First recorded in 1890–95; deflate + -ion

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deflation

British Dictionary definitions for deflation


/ (dɪˈfleɪʃən) /


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 pricesCompare disinflation
geology the removal of loose rock material, sand, and dust by the wind
Derived Formsdeflationary, adjectivedeflationist, 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

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

Science definitions for deflation


[ dĭ-flāshən ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for deflation


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 Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.