An options expression which indicates the difference between the current price of the.

The number of shares of a company on sale to the public at a given time.

The ability of a metal to absorb energy and deform plastically before fracturing.

A buoyant balloon rising freely in the atmosphere, as opposed to a captive balloon.

The time required for an instrument to register a designated percentage (frequently 90%) of a step change in the variable being measured.

The forward edge of a fore-and-aft sail

Notice of intention to deliver a commodity in fulfilment of an expiring futures contract can be.

See: 'National Insurance (NI).

The highest rate of income tax in the UK which in the 2002-2003 tax year is 40%. The rate is.

The actual lifting force of an inflated balloon, usually expressed in grams.

A type of anemometer in which the rotation of an element serves to measure the wind. Rotation anemometers are divided into two classes; those in which the axis of rotation is horizontal, such as the windmill anemometer, and those in which the axis of rota ...

An electronic device that allows current to flow in one direction only.

A type of window having two layers (panes or glazing) of glass separated by an air space. Each layer of glass and surrounding air space reradiates and traps some of the heat that passes through thereby increasing the windows resistance to heat loss (R-val ...

An insulation product made of a fibrous material or plastic foams, pressed or extruded into board-like forms. It provides thermal and acoustical insulation strength with low weight, and coverage with few heat loss paths.

A financial ratio which shows how long a company has to finance its own stocks for. It measures.

Sunk

A change in the wind direction.

Originally meant "to stow cargo". Now, means "to search a ship carefully and thoroughly".

A gasifier in which the feedstock (fuel) is suspended by the movement of gas to move it through the gasifier.

The total value of a deceased person's assets.