Meaning of Humidity

What is Humidity:

As humidity we designate the quality of humid. Moisture is also the water that permeates a body or, also, water, in the form of vapor, is present in the ambient air. The word, as such, comes from Latin humidities, humiditātis.

Humidity is essential for life on Earth and for the performance of many natural processes. As such, it is present in practically everything around us. In all living bodies, animals or plants, in the clouds, on the earth, in the food we eat, in the cold grass of the park, in the drops that adhere to the walls of a cold glass, in the smoke of coffee or in a kiss.

Atmospheric humidity

In meteorology, atmospheric humidity is called the amount of water vapor in the atmosphere. As such, it is measured with the hygrometer.

Air humidity

Air humidity is the water vapor present in the atmosphere. As such, water vapor originates from the evaporation of marine and continental waters (rivers, lakes, etc.), as well as that which comes from living beings, such as animals and plants.

Absolute humidity

Absolute humidity is called the weight of water vapor that, per unit volume, contains the ambient air. It is usually measured in grams per cubic meter.


Relative humidity is the percentage of the mass of water vapor in a volume of air, and what it would have if it were saturated. The closer this value is to 100%, it is indicative that the environment is more humid.

Humidity of floor

Soil moisture is called the amount of water that, by volume of land, is present in a land. As such, it is a fundamental characteristic for the formation, conservation, fertility and productivity of soils, as well as for the germination, growth and development of plants.

Moisture in food

All foods contain a certain degree of moisture, which can vary between 60% and 95%. As such, humidity is a fundamental parameter when considering the quality of food, as well as its organoleptic and nutritional qualities.

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