Definition of condensation in US English:



  • 1Water which collects as droplets on a cold surface when humid air is in contact with it.

    • ‘In the case of a condensation problem, you should have your basement insulated with some dry-lined, insulated plasterboard.’
    • ‘Reduce the potential for condensation on cold surfaces by adding insulation.’
    • ‘Evoke felt the cold also as condensation from the cold rose up from the wet ground.’
    • ‘The ceiling fans are on, the droplets of condensation are running in rivulets down our lime sodas, the table is laid.’
    • ‘Making his way to one of the deep blue glass pillars that adorned the laboratory, he gently swept some beads of condensation off the surface.’
    • ‘Floaters often look like cobwebs, worms, rings, dots, or specks, which are actually condensations in the vitreous humor of the eye.’
    • ‘If the moist air can't reach the cool surfaces, it won't release water as condensation.’
    • ‘The second is that as it is exposed to the warmer air of the room it gains a featherlight condensation, the gentlest acknowledgement of its chill freshness.’
    • ‘In the winter, condensation on cold walls encourages mold growth, but even thick insulation can be invaded if vapor barriers in exterior walls are not effective.’
    • ‘Since fans have to be installed inside to evaporate water condensation, a lot of noise is caused, which is more difficult to resolve than dripping.’
    • ‘Don't have a bath or shower before viewers arrive as the room will be steamy and it might give the impression that you have a condensation problem.’
    • ‘Oh, how wondrous it looked to him; the red and yellow striped umbrella calling out his hunger, with pretzels and chips suspended in a case on the cart, sodas and water sweating beads of condensation.’
    • ‘The conditions causing mold (such as water leaks, condensation, infiltration, or flooding) should be corrected to prevent mold from growing.’
    • ‘Thinking back, I recalled droplets of condensation.’
    • ‘Also known as hydrosols, floral waters are the condensation that is collected after plants are steamed to extract their essential oils.’
    • ‘It can help to reduce building maintenance requirements by eliminating or drastically reducing condensation on the interior surfaces of windows, particularly in cold climates.’
    • ‘If the warm packages are handled with unsterile hands or placed on cold surfaces where condensation may form, the sterility of the package may be compromised.’
    • ‘Typically, plates are inverted during incubation to prevent condensation droplets from falling onto the surface of the agar.’
    • ‘He wiped away a layer of condensation from the surface, all cold and slippery, then peered into his pores.’
    • ‘Are windows and interior surfaces free of condensation?’
    moisture, water droplets, steam
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  • 2The conversion of a vapor or gas to a liquid.

    • ‘In cold climates, the condensation and frosting of water vapor when warm exhaust air meets subzero outdoor temperatures is a concern.’
    • ‘If the air parcel is cooled, the gaseous water molecules slow down and take a liquid form, so condensation dominates.’
    • ‘And in top-quality work, both pipes should be insulated, hot water to minimize heat loss and cold water to prevent surface condensation.’
    • ‘If the air cools below this point it is supersaturated with water, and condensation occurs to restore the balance.’
    • ‘By repeating vaporization and condensation, individual components in the solution can be recovered in a pure state.’
    • ‘The melting and freezing point of a liquid are always the same temperature, the boiling point and the condensation point are also at a characteristic temperature.’
    • ‘While oil with just 300 hours of use appears to be in good condition, it can contain moisture picked up via condensation caused by temperature fluctuations.’
    • ‘The opposite of evaporation is condensation where vapor changes to a liquid.’
    • ‘The condensation is generally activated from the vapour phase of the material.’
    • ‘If warm water affects evaporation, let's see if cooling water vapor affects condensation!’
    • ‘A gas changing to a liquid is condensation and a liquid changing to a solid is freezing.’
    • ‘Keep in mind, though, that some basement moisture problems stem from condensation rather than leakage, which will be discussed later in this guide.’
    • ‘If more molecules are leaving the gas and becoming liquid then the process is condensation.’
    • ‘There was probably a lot of sulphur, sulphuric acid, a lot of carbonation and condensation, all very damaging to the concrete.’
    • ‘Avoid condensation of water on fruit after it is removed from cold storage.’
    • ‘The cuvettes were connected to a gas analyser by copper tubes that were warmed by electric cables to avoid condensation of water vapour.’
    • ‘When the temperature drops below what is termed the dew-point, there is a net condensation and a cloud formation can occur.’
    • ‘They have shown that Mars today has a unique climate that is dominated by the condensation and sublimation of its major atmospheric constituent, carbon dioxide.’
    • ‘The size of both tubes must be equal because the humidity of the air is changing constantly and so condensation of moisture on the tubes is different.’
    • ‘The resulting upward motion at fronts causes cooling of the air, condensation of water vapour to produce clouds, and eventually precipitation.’
    precipitation, liquefaction, deliquescence
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    1. 2.1Chemistry A reaction in which two molecules combine to form a larger molecule, producing a small molecule such as H₂O as a byproduct.
      • ‘Peptide bond formation is a condensation reaction leading to the polymerization of amino acids into peptides and proteins.’
      • ‘Imide resins are prepared by the condensation of an anhydride and diamine, via a polyamic acid intermediate.’
      • ‘The first synthetic polymer produced by a condensation reaction was Bakelite.’
      • ‘These molecules are synthesized by the condensation of CDP-diacylglycerol with PG.’
      • ‘The simplest peptide, a dipeptide, contains a single peptide bond formed by the condensation of the carboxyl group of one amino acid with the amino group of the second with the concomitant elimination of water.’
    2. 2.2Psychology The fusion of two or more images, ideas, or symbolic meanings into a single composite or new image, as a primary process in unconscious thought exemplified in dreams.
      • ‘Freud analyses what he calls the technique of jokes, and points out that some of the mechanisms employed are indeed to be found in dreams; in particular, condensation, and the substitution of one word for another.’
      • ‘They are the products of the same mental processes that produce dreams - such as symbolization and the condensation of multiple meanings into one picture.’
      • ‘The work of condensation in dreams is seen at its clearest when it handles words and names.’
      • ‘As Jones pointed out, any symbol is the result of psychological condensation.’
      • ‘Like all symbioses it was bound together and sustained by the primary processes of uncritical displacement and condensation.’
  • 3A concise version of something, especially a text.

    ‘a readable condensation of the recent literature’
    • ‘And I've just discovered that this cluster is also referred to as a condensation, as in ‘a small local cluster of galaxies that condensed out of the general expansion of the Universe’.’
    • ‘The second, ‘Of the Passions', was a condensation and revision of the second book of the Treatise.’
    • ‘He has written about a hundred short stories, many articles, condensations of Ramayan and Mahabharat, Chalantika, a much-used Bengali dictionary and translated the Gita and Meghdoot.’
    • ‘The stag films, promotional and training material, B-movie condensations, countdown leaders, newsreels and intertitles he uses operate as commentary rather than as entertainment.’
    • ‘Where were the unpredictable twists of idea and phrase that poetic condensation conjures up?’
    • ‘We have one other major article, a condensation of a piece by Dave Snowden from the Journal of Knowledge Management.’
    • ‘The house is a condensation of the past, representing how this city has developed from a century ago to the present.’
    • ‘So I offer the following condensations on the basis that they'll either inspire trips to the bookshop, or save you the bother.’
    • ‘It's online to subscribers only but it is essentially a severe condensation of my monograph on the subject.’
    • ‘The image is a heavily marked condensation of motifs concerned with repressed sexuality, knowledge, visibility and vision, intellectuality, and desire.’
    • ‘Death prevented this and Oberon has steadily resisted improvement at a variety of hands; the most satisfactory version does seem to be a condensation of the composer's original.’
    • ‘Anticipating the visual world of television, it surpassed even the condensations of the news weeklies and digest by summarizing in photographs instead of in text.’
    • ‘He's a condensation of the many things that are broken in people - the dull, agonizing itches that persist deep within us.’
    abridgement, summary, synopsis, precis, abstract, digest, encapsulation
    shortening, abridgement, abbreviation, cutting, summarization
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Early 17th century: from late Latin condensatio(n-), from condensare ‘press close together’ (see condense).