What is the temperature at which moisture starts to condense from the air known as?

The term that describes the temperature at which moisture begins to condense from the air is known as the dew point temperature. This concept is essential in understanding atmospheric moisture and the behavior of air as it cools.

When air cools to its dew point, it can no longer hold all the moisture present in vapor form, leading to condensation. This is observable in various meteorological phenomena, such as the formation of dew on grass in the early morning or fog in cooler weather conditions. The relationship between temperature, humidity, and dew point is significant in fields such as meteorology, HVAC, and environmental science, as it plays a crucial role in predicting weather patterns and managing air quality.

Other options like freezing point, humidity point, and condensation point do not accurately define the specific temperature at which air becomes saturated with moisture and leads to condensation. The freezing point refers to the temperature at which a liquid becomes solid, while humidity point is a less common term lacking specific scientific definition in this context. Condensation point, while relatable, is not widely used in the same precise manner as dew point temperature, making it less fitting for this particular definition. Thus, the term dew point temperature distinctly captures the essence of moisture condensation in the air.