dew point

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noun

the temperature to which air must be cooled, at a given pressure and water-vapor content, for it to reach saturation; the temperature at which dew begins to form.

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Also called dew-point temperature.

Compare absolute humidity, mixing ratio, relative humidity, specific humidity.

Origin of dew point

First recorded in 1825–35

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use dew point in a sentence

The citizens of Stevens Point defeated fluoridation by a healthy margin.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
Deep, situational, and emotional jokes based on what is relevant and has a POINT!
Trolls and Martyrdom: Je Ne Suis Pas Charlie|Arthur Chu|January 9, 2015|DAILY BEAST
To borrow an old right-wing talking point, these people are angry no matter what we do.
Harry Shearer on The Dangerous Business of Satire|Lloyd Grove|January 8, 2015|DAILY BEAST
Therefore, it is not possible for any F-35 schedule to include a video data link or infrared pointer at this point.
Pentagon Misfires in Stealth Jet Scandal|Dave Majumdar|January 8, 2015|DAILY BEAST

But the most important point I want to make is about what the press does now.
Ayaan Hirsi Ali: Our Duty Is to Keep Charlie Hebdo Alive|Ayaan Hirsi Ali|January 8, 2015|DAILY BEAST
This is the first and principal point at which we can stanch the wastage of teaching energy that now goes on.
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
His also was the intellectual point of view, and the intellectual interest in knowledge and its deductions.
The Mediaeval Mind (Volume II of II)|Henry Osborn Taylor
Judged from this point of view only, the elasticity provided by the new law is doubtless adequate.
Readings in Money and Banking|Chester Arthur Phillips
That is the only point in which one sees Liszt's sense of his own greatness; otherwise his manner is remarkably unassuming.
Music-Study in Germany|Amy Fay
When we speak against one capital vice, we ought to speak against its opposite; the middle betwixt both is the point for virtue.
Pearls of Thought|Maturin M. Ballou

British Dictionary definitions for dew point

dew point

noun

the temperature at which water vapour in the air becomes saturated and water droplets begin to form

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

Scientific definitions for dew point

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.

dew point

Origin of dew point

Words related to dew point

How to use dew point in a sentence

British Dictionary definitions for dew point

Scientific definitions for dew point