Related Words

Humidity: The amount of water vapor in the air. It is often confused with relative humidity or dew point.

Absolute Humidity: A type of humidity that considers the mass of water vapor present per unit volume of space. Also considered as the density of the water vapor. It is usually expressed in grams per cubic meter.

Specific Humidity: The ratio of the density of the water vapor to the density of the air, a mix of dry air and water vapor. It is expressed in grams per gram or in grams per kilograms. The specific humidity of . . . View Full Definition

Relative Humidity: A type of humidity that considers the ratio of the actual vapor pressure of the air to the saturation vapor pressure. It is usually expressed in percentage.

Lithium (Li): Atomic number: 3, Atomic mass: 6.941 g.mol -1, Electronegativity: 1.0, Density: 0.53 g.cm -3 at 20 °C, Melting point: 180.5 °C, Boiling point: 1342 °C, Vanderwaals radius: 0.145 nm, Ionic ra . . . View Full Definition

Wet Bulb Thermometer: A thermometer used to measure the lowest temperature in the ambient atmosphere in its natural state by evaporating water from a wet muslin-covered bulb of a thermometer. The wet bulb tempera . . . View Full Definition

Wet Bulb Depression: Dependent on the temperature and the humidity of the air, it is the difference between the dry bulb and the wet bulb readings.

Weather: The state of the atmosphere at a specific time and with respect to its effect on life and human activities. It is the short term variations of the atmosphere, as opposed to the long term, or . . . View Full Definition

Bloom: A phenomenon that occurs with varnish on paintings, and occasionally on polished furniture. Causes can include damp conditions during varnishing, picture hung in a chilly, draughty position, . . . View Full Definition

High Board: Although lanes are built to certain tolerances, humidity and other factors might cause an individual board to be a hair higher than the others; a ball hitting a high board will tend to stop . . . View Full Definition