An anemometer which measures wind speed by means of the properties of wind-borne sound waves. It operates on the principle that the propagation velocity of a sound wave in a moving medium is equal to the velocity of sound with respect to the medium plus t ...

The payment which investors have to pay to a broker to trade on margin, commonly used in trading.

Heating an alloy to a suitable temperature, holding at that temperature long enough to cause one or more constituents to enter into solid solution, and then cooling rapidly enough to hold these constituents in solution.

Same as an upper air observation, but commonly used to refer to a single complete radiosonde observation.

Machines in which the compressing element is a piston having a reciprocating motion in a cylinder.

International Association of Independent Tanker Owners

Shipped under rate that includes cost from end of ship's tackle at load port to end of ship's tackle at discharge port.

The environmental, social, and economic impacts of producing a good or service that are not directly reflected in the market price of the good or service.

In reference to a wind energy conversion device's blades, the difference between the rotational speed of the tip of the blade and the actual velocity of the wind.

A published rate that is never assessed because no freight moves under it.

Erasable Programmable Read Only Memory. Programable read-only memory which can be erased, usually by ultraviolet light, and re-programmed.

The outer layer on a coalescing filter that prevents separated liquids from re-entering the air stream. Also known as anti re-entrainment barrier.

The permanent (inelastic) distortion of metals under applied stresses that strain the material beyond its elastic limit.

A negatively charged ion.

A term used to describe a sensor (or sensors), the associated transducer(s), and the data readout or recording device.

A type of hydropower turbine that contains a runner that has water passages through it formed by curved vanes or blades. As the water passes through the runner and over the curved surfaces, it causes rotation of the runner. The rotational motion is transm ...

A spread strategy that increases the account's cash balance when it is established. A bull spread.

(1) The edge where the deck joins the hull; top edge of bulwarks. (2) The railing around the deck.

The heavy oxide layer formed during hot fabrication or heat treatment of metals.

The raising of capital by a borrower from his existing mortgage lender.