A time draft under a letter of credit that has been accepted and purchased by a bank at a discount.

Charge made for local hauling by dray or truck. Same as Cartage.

Fitted with drilling rig (oil derrick with rotary drill and a mud pumping system), drilling for petroleum.

Turbines or engines in which gas expands, does work, and undergoes a drop in temperature.

Accumulation of foreign matter, such as mud or debris, in a cooler, pipe, or valve. In a cooler, H 2 O D P and D T will be seen to increase, as well as CTD.

Shell or body of a ship.

The person or company who is usually the supplier or owner of commodities shipped. Also called Consignor.

Sudden and rapid flow of tide in certain rivers and estuaries which rolls up in the form of a wave. also known as Eagre.

Is the energy a substance possesses by virtue of its motion or velocity. Used primarily in calculations for dynamic and ejector type compressors.

Is the unique temperature to which the air (or any gas) must be cooled in order that it shall be saturated with respect to ice.

To break into a conversation.

Practices and measures that increase energy efficiency.

A pneumatic percussive drill designed as a boring tool.

In a square rigged ship, the act of hauling the head sheets to windward and laying the head-yards flat aback in order to bring the ships head out of the wind while tacking. This is done when helm action alone is insufficient.

A vessel formed of two or more hulls. A catamaran has two hulls, and a trimaran has three hulls.

Passing another vessel.

Load/unload control system that tries to maximize compressor efficiency by matching air delivery and air demand. Compressor is operated at full load or idle.

Articles which are taken apart to reduce the cubic footage displaced or to make a better shipping unit and are to be re-assembled.

Progress backwards.

(1) Said of seas that break over a vessel or over a sea wall. (2) A whale breaches when it leaps out of the water.