Same as instrument shelter.

That horizontal wind velocity at which the Coriolis acceleration exactly balances the horizontal pressure force. It is directed along contour lines or isobars.

The difference between temperature measurements taken at two significant levels above the ground. Temperatures at 10 and 40 meters are commonly used.

The lowest possible bid price of units in a unit trust under FSA regulations which is usually lower.

Any device or instrument for measuring salinity, especially one based on electrical conductivity methods.

The unit price and quantity to which it applies as specified in a rate schedule or contract.

To windward, in the direction of the eye of the wind; toward the wind; in the direction from which the wind is coming

An old nautical term for mercury barometer.

The development of loose removable powder at the surface of an organic coating usually caused by weathering.

That part of a ship's bow where the hawse holes and hawse pipes are situated.

The amount of visible light that passes through the glazing material of a window, expressed as a percentage.

A material used to seal gaps around windows and exterior doors.

See exfoliation corrosion.

A refined petroleum product suitable for use as a fuel in internal combustion engines.

See standard atmosphere.

Circular iron band used to hold a bowsprit on the stem of a sailing vessel.

Difference between the temperatures of the dry-bulb and the wet-bulb thermometers of a psychrometer.

A hand held pneumatic tool. Designed for light demolition work, digging, making holes etc.

Generic term for rapid variations in apparent position, brightness, or color of a distant luminous. object viewed through the atmosphere.

A court order instructing a garnishee (a bank) that funds held on behalf of a debtor (the judgement.