[kon-den-sey-shuh n, -duh n-]
See more synonyms for condensation on
  1. the act of condensing; the state of being condensed.
  2. the result of being made more compact or dense.
  3. reduction of a book, speech, statement, or the like, to a shorter or terser form; abridgment.
  4. a condensed form: Did you read the whole book or just a condensation?
  5. a condensed mass.
  6. (in nontechnical usage) condensate.
  7. the act or process of reducing a gas or vapor to a liquid or solid form.
  8. Chemistry. a reaction between two or more organic molecules leading to the formation of a larger molecule and the elimination of a simple molecule such as water or alcohol.
  9. Meteorology. the process by which atmospheric water vapor liquefies to form fog, clouds, or the like, or solidifies to form snow or hail.
  10. Psychoanalysis. the representation of two or more ideas, memories, feelings, or impulses by one word or image, as in a person's humor, accidental slips, or dreams.
  11. Physics. the relative amount by which the density of an elastic medium varies from its average value as a sound wave passes through it.

Origin of condensation

1595–1605; < Late Latin condēnsātiōn- (stem of condēnsātiō), equivalent to condēnsāt(us) condensate + -iōn- -ion
Related formscon·den·sa·tion·al, adjectivecon·den·sa·tive, adjectivenon·con·den·sa·tion, nouno·ver·con·den·sa·tion, nounpre·con·den·sa·tion, nounre·con·den·sa·tion, nounsub·con·den·sa·tion, nounun·con·den·sa·tion·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for condensation


  1. the act or process of condensing, or the state of being condensed
  2. anything that has condensed from a vapour, esp on a window
  3. chem a type of reaction in which two organic molecules combine to form a larger molecule as well as a simple molecule such as water, methanol, etc
  4. anything that has been shortened, esp an abridged version of a book
  5. psychoanal
    1. the fusion of two or more ideas, etc, into one symbol, occurring esp in dreams
    2. the reduction of many experiences into one word or action, as in a phobia
Derived Formscondensational, 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 condensation

c.1600, "action of becoming more dense," from Latin condensationem (nominative condensatio), noun of action from condensare (see condense). Meaning "conversion of a gas to a liquid" is from 1610s.

Online Etymology Dictionary, © 2010 Douglas Harper

condensation in Medicine


[kŏn′dĕn-sāshən, -dən-]
  1. The act of making more solid or dense.compression
  2. The process by which a gas or vapor changes to a liquid.
  3. The liquid formed when a gas is condensed.
  4. The psychological process by which a single symbol or word is associated with the emotional content of a group of ideas, feelings, memories, or impulses, especially as expressed in dreams.
  5. The dental process of packing a filling material into a cavity.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

condensation in Science


  1. The change of a gas or vapor to a liquid, either by cooling or by being subjected to increased pressure. When water vapor cools in the atmosphere, for example, it condenses into tiny drops of water, which form clouds.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.