a dew point

USAGE SUMMARY

The phrase "a dew point" is correct and usable in written English.
It can be used when discussing meteorology or atmospheric science, specifically referring to the temperature at which air becomes saturated with moisture. Example: "The weather forecast indicated that the dew point would rise significantly, leading to a more humid day."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

21 human-written examples

The air is dripping with a dew point of 74.

The Washington Post

Paul area had 20 consecutive hours above a dew point of 74 degrees, which is a record.

The New York Times

Calibrations are typically done manually with a dew point generator, and as a consequence are done less frequently, degrading the accuracy and utility of H2O flux data.

Agricultural and Forest Meteorology

In southeast Iran, also along the Persian Gulf, Jask, Iran observed a heat index of 156 degrees (69 Celsius) on Friday (air temperature 102.2 degrees with a dew point of 91.4 degrees).

The Washington Post

Initial tests, carried out by humidifying air, show that a dew point temperature of higher than 59 °C is attained when operating the PEMFC plant at nominal power at 65 °C.

International Journal of Hydrogen Energy

In a report published Jan . 18in the journal Climatic Change, the researchers define mild weather as temperatures between 64 and 86 degrees Fahrenheit (18 and 30 degrees Celsius); less than 0.04 inches (1 mm) of rain; and a dew point below 68 degrees F (20 degrees Celsius), which indicates low humidity.

Princeton University

Human-verified similar examples from authoritative sources

Similar Expressions

39 human-written examples

A dew-point hygrometer was invented in 1751.

Encyclopedia Britannica

In the study, the solar chimney was accompanied by a dew-point evaporative cooler.

Energy and Buildings

In 1820 Daniell invented a dew-point hygrometer (a device that indicates atmospheric humidity), which came into widespread use.

Encyclopedia Britannica

In addition, an experimental setup was built and a dew-point cooler with a cross-flow heat and mass exchanger was tested to assess the feasibility of using such dew point cooling systems under various operational and ambient conditions.

Applied Energy

Using the validated model, a parametric study was carried out for a dew-point cooler with cross-flow heat and mass exchanger to investigate the effect of different operational parameters on the overall performance and to optimize the cooling system performance to achieve the indicated thermal comfort levels in buildings.

Applied Energy

Expert writing Tips

Best practice

When discussing atmospheric conditions, use "a dew point" to provide a precise measurement of humidity, especially in meteorological or scientific contexts.

Common error

Avoid using "a dew point" interchangeably with relative humidity. Dew point is a specific temperature, while relative humidity is a percentage indicating how saturated the air is at a given temperature.

Linguistic Context

The phrase "a dew point" functions primarily as a noun phrase identifying a specific meteorological measurement. As Ludwig AI explains, this phrase describes the temperature at which air becomes saturated with moisture. Examples show its use in both scientific and general contexts to describe humidity levels.

Expression frequency: Common

Frequent in

Science

50%

News & Media

40%

Encyclopedias

10%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "a dew point" is a grammatically correct and commonly used noun phrase that refers to the temperature at which air becomes saturated with moisture. Ludwig AI confirms its proper usage, highlighting its prevalence in scientific and meteorological contexts. It is used to precisely describe humidity levels in weather reports, scientific publications, and technical discussions. While often used interchangeably with "the dew point", it's important to avoid confusing it with relative humidity. High-authority sources like The Washington Post and The New York Times frequently employ this term, solidifying its place in both scientific and general discourse.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

the dew point temperature

Adds specificity by explicitly including "temperature", clarifying that dew point is a measure of temperature.

dew-point temperature

Hyphenated version of the term, maintaining the meaning and emphasizing the compound nature of the descriptor.

the point of condensation

Focuses on the physical phenomenon of condensation rather than the specific temperature measurement.

condensation temperature

Highlights the temperature at which condensation occurs.

the temperature at which dew forms

Describes the dew point in terms of observable dew formation.

the saturation temperature

Refers to the temperature at which the air is fully saturated with water vapor.

water vapor saturation point

Emphasizes the saturation aspect of water vapor in the air.

atmospheric moisture level

Describes the amount of moisture in the atmosphere more generally, without specifying the dew point.

humidity level

A broader term referring to the amount of water vapor in the air.

moisture content of the air

A general description of the amount of moisture present.

FAQs

How to use "a dew point" in a sentence?

You can use "a dew point" to describe the level of humidity in the air, for example: "The forecast mentioned "a high dew point", indicating a muggy day."

What is the significance of "a dew point" in weather forecasting?

The "dew point" is crucial because it indicates how much moisture is in the air. A higher dew point means more moisture, which often translates to higher humidity and a greater chance of precipitation.

Which is correct, "a dew point" or "the dew point"?

Both "a dew point" and "the dew point" are acceptable, but "the dew point" is often preferred when referring to a specific measurement or condition. "A dew point" is fine for general references.

What's the difference between "a dew point" and "relative humidity"?

"A dew point" is the temperature to which air must be cooled to become saturated with water vapor, while "relative humidity" is the amount of water vapor present in air expressed as a percentage of the amount needed for saturation at the same temperature.