Heavy weight,which gives a ship stability when the vessel is not carrying cargo.

The wooden bit in the stem of a whaling boat around which the harpoon line was controlled.

The temperature that a system is designed to maintain (inside) or operate against (outside) under the most extreme conditions.

The loss in static pressure of a fluid (liquid or gas) in a system due to friction from obstructions in pipes, from valves, fittings, regulators, burners, etc, or by a breech or rupture of the system. Pressurization Testing

A non-commissioned naval rank. Midshipmen play a part, under supervision, in most of the ship's activities, and are in training for higher command.

A systematic summary of the terms (inflow, outflow, and storage) of the storage equation as applied to the computation of soil-moisture changes, ground-water changes, etc. An evaluation of the hydrologic balance of an area. Also called basin accounting, w ...

A device for computing certain psychrometric data, usually the dew point and the relative humidity, from known values of the dry-bulb and wet-bulb temperatures and the atmospheric pressure. One type is the circular slide-rule form and, like the psychromet ...

A document issued by the carrier based on the bill of lading and other information; used to account for a shipment operationally, statistically, and financially. An Invoice.

A cargo movement in which the water carrier provides a through service between an inland point and the port of load/discharge. The carrier is responsible for cargo and costs from origin on to destination. Also known as IPI or Through Service.

A thermodynamic property of a substance, defined as the sum of its internal energy plus the pressure of the substance times its volume, divided by the mechanical equivalent of heat. The total heat content of air; the sum of the enthalpies of dry air and w ...

A plastic foam insulation product, pressed or extruded into board-like forms, used as sheathing and insulation for interior basement or crawl space walls or beneath a basement slab; can also be used for exterior applications inside or outside foundations, ...

A high-intensity discharge lamp type that uses mercury and several halide additives as light-producing elements. These lights have the best Color Rendition Index (CRI) of the High-Intensity Discharge lamps. They can be used for commercial interior lightin ...

The sum of sensible heat and latent heat in a substance above a base temperature, typically 32 degrees Fahrenheit.

(1) A large casting shaped to allow the propeller blades to revolve. The rudder is fitted on the after post. (2) The principal vertical timber in a ship's stern, upon which the rudder is fastened.

The movement of assets in one mutual fund or unit trust to another within a range of funds with.

Changes in contour or discontinuities in structure that cause local increases in stress.

The helmsman.

The value or purchasing power of a dollar that has not been reduced to a common basis of constant purchasing power, but instead reflects anticipated future inflation; when used in computations the assumed inflation rate must be stated.

A general term for the visible and near visible (ultraviolet and near-infrared) electromagnetic radiation that is emitted by the sun. It has a spectral, or wavelength, distribution that corresponds to different energy levels; short wavelength radiation ha ...

This property is the ratio of the specific weight of air or gas to that of dry air at the same pressure and temperature.