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dew point

   Also found in: Medical, Legal, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
dew point
n. Abbr. DP
The temperature at which air becomes saturated and produces dew.
dew point
The temperature at which the water vapor contained in a volume of air at a given atmospheric pressure reaches saturation and condenses to form dew. The dew point varies depending on how much water vapor the air contains, with humid air having a higher dew point than dry air. When large droplets of condensation form, they are deposited onto surfaces as dew. When smaller droplets form, they remain suspended in the air as mist or fog. If the dew point is below the freezing temperature of water (0°C), the water vapor turns directly into frost by sublimation.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.dew point - the temperature at which the water vapor in the air becomes saturated and condensation begins
temperature - the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)
saturation point - (chemistry) the stage at which a substance will receive no more of another substance in solution or in a vapor


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In the interval, the difference between the dew point and temperature had increased from 7.
The Voyage of the Beagle by Darwin, Charles View in context
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