The atmospheric pressure at the level of the barometer. May or may not be the same as station pressure.

Commodities such as metals, coffee and grain which are bought and sold for use as opposed to hedging.

A person trained and specialising in risk, statistics and finance who gives advice on insurance and.

– A motor providing rotary or linear motion.

Ad valorem.

A term from Latin meaning, "according to value."

Taxes which are charged as a percentage of the value of an asset. Stamp Duty, which is charged on.

Freight calculated on the value of the goods, expressed as a percentage.

Americans With Disabilities Act

Americans With Disabilities Act Accessibility Guidelines.

Continuously updating the weighting of past prices for smoothing or forecasting.

– Registered trademark for AUS32 (Aqueous Urea Solution 32.5%) and is used in a process called selective catalytic reduction (SCR) to reduce emissions of oxides of nitrogen from the exhaust of diesel engine motor vehicles.

Association of Diving Contractors.

Adderss commission

– The mass of water which is considered to be set in motion by a ship when heaving, pitching, rolling and vibrating.

Additional chartering terms at the end of a charter party

An income tax allowance to single people including widows/widowers, separated spouses etc who are.

A term which applies to trusts without an interest in possession (for example a discretionary trust).

(AVC)Additional payments to a tax deferred savings account or an occupational pension scheme by an.

– Chemicals added to fuel, lubricating oils or fresh water to improve their physical or chemical characteristics