Companion to the wet-bulb thermometer in a psychrometer. Used to measure ambient air temperature.

Same as Aeolian.

An illegal form of discounting or refunding that has the net effect of lowering the tariff price. See also Malpractice.

This is the concept of how long a device or process can operate properly without needing maintenance or replacement.

The total radiation incident on a specific surface area over a time interval.

The warehouse or public stores to which samples of imported goods are taken to be inspected, analyzed, weighed, etc. by examiners or appraisers.

Is one that does not enter into known chemical combination, either with itself or another element. There are four known gases of this type: helium; neon; argon and krypton. or a gas that does not supply any of the needs of combustion.

The top of a wave.

The value of a business to a purchaser over and above its net asset value. It reflects the value.

Thermometer in which the difference in the rates of expansion with temperature of a liquid and its receptacle is used as a measure of the temperature. The liquid used may be ethyl alcohol, toluene, petroleum, or mercury.

The extreme deck fore and aft measurement of a vessel.

Is that pressure of either motive fluid or discharge at which an ejector returns to stable operation following a period of unstable operation due to having previously reached the breaking pressure. There are two recovery pressures, one for motive fluid an ...

For a given location, a measure of the long-range effectiveness of precipitation in promoting plant growth. Also called precipitation-evaporation index.

A dinghy or raft that can be inflated for use or deflated for easy stowage.

Wind blowing from off the shore.

States that equal volumes of all gases under the same conditions of pressure and temperature contain the same number of molecules.

Thermodynamic change of state of a system in which there is transfer of heat across the boundaries of the system. Compare to adiabatic process.

An instrument for measuring the frost point of the atmosphere.

A hygrometer which includes an arrangement for the time recording of atmospheric humidity.

A port that is not directly listed in the tide tables but for which information is available as a difference from a nearby standard port.