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(Encyclopedia) humidity, moisture content of the atmosphere, a primary element of climate. Humidity measurements include absolute humidity, the mass of water vapor per unit volume of natural air;?

Weather: Moisture and Humidity

Moisture and HumidityWeatherPartly to Mostly CloudyMoisture and HumidityIn the CloudsTen Major Cloud TypesForecasting by Clouds In all my years of teaching and talking about the weather, I have?

Air Pressure and Humidity

Air pressure is the weight of the atmosphere pressing down on the earth. It is measured by a barometer in units called millibars. Most barometers use mercury in a glass column, like a?

Winter Indoor Comfort and Relative Humidity

Effects of Dry Air on the BodyApparent Temperature for Values of Room Temperature and Relative Humidity Compared to summer when the moisture content of the air (relative humidity) is an?

Weather: It's Not the Heat, It's the Humidity

It's Not the Heat, It's the HumidityWeatherMeasuring the AtmosphereThe Take on TemperatureIs the Pressure Getting to You?The Wind in the WillowsIt's Not the Heat, It's the HumidityMeasuring the?


(Encyclopedia) terrarium, a miniature garden in an artificial environment, in which small plants and animals may be kept as ornament or for educational purposes. Fish bowls, small fish tanks, large?


(Encyclopedia) psychrometer s?kr?m?t?r, one of many instruments used for measuring the water vapor content or relative humidity of the atmosphere. It consists of two identical thermometers?the wet-?


(Encyclopedia) hygrometer h?gr?m?t?r, instrument used to measure the moisture content of a gas, as in determining the relative humidity of air. The temperature at which dew or frost forms is a?