A local variation in the wind direction or speed. This condition can present danger to aircraft, especially at landing, when a sudden shift from headwind to tailwind can cause a rapid loss of airspeed and lift.

Frozen or partly frozen rain.

A manmade structure, in or around a harbor, designed to break the force of the sea, thus providing shelter.

T/C remuneration

The power required to energize the magnetic field of a generator.

The amount chargeable to capital gains tax (CGT) from gains made on the disposal of an asset. In.

The exchange rate between two currencies, other than those that form a market's principal rates..

A charge imposed by a management company on a mutual fund or unit trust to cover administration.

Thin sheets of copper applied to the hull of a wooden ship below the waterline to prevent the toredo worm eating the planks, and also to limit the growth of weed, barnacles or other marine life.

Same as pitot tube.

A sudden, significant increase in station pressure.

See radiation shield.

Loan issued against some security

The pressure which overcomes the total resistances in a system. It includes all losses as well as useful work.

Sunk

A method of financial and economic analysis used to determine present and future values of investments or expenses.

The relative humidity of a gas (or air) vapor mixture is the ratio of the partial pressure of the vapor to the vapor saturation pressure at the dry bulb temperature of the mixture.

The period during which an annuity is paid irrespective of whether the annuitant dies during that.

The latest time cargo may be delivered to a terminal for loading to a scheduled train or ship.

To run a line completely through and out of a block, fairlead, etc.