Merchant Marines Document (USCG)

A set of electrical conductors, often on a backplane, that carry data and power signals among the various components of a computer.

In austenitic stainless steels the precipitation of chromium carbides, usually at grain boundaries, on exposure to temperatures of about 550 to 850

The unit of illuminance equivalent to 1lumen per square meter.

Per Freight Ton

A thermometer which utilizes the thermal properties of gas. There are two forms of this instrument: (a) a type in which the gas is kept at constant volume, and pressure is the thermometric property, and (b) a type in which the gas is kept at constant pres ...

Same as windsock.

A device mounted in the vent connector that closes the vent when the heating unit is not firing. This traps heat inside the heating system and house rather than letting it draft up and out the vent system.

Having a shape that that is not adversely affected by wind flowing past it.

On square-rigged ships, the lines which are lead from the masthead to the ends of the yards to support them.

In sailboat racing, to disturb the wind of a windward boat by positioning your boat a bit ahead and to leeward. If done correctly, the disturbed air hitting the windward boat will slow it down, leaving it at a distinct disadvantage and causing it to tack ...

Annual publication of astronomical data for the use of navigators.

International Medical Guide for Ships

The net transfer of electric charge per unit time. Also called electric current. See also current density.

A cargo on which the transportation charge is assessed on the basis of weight.

Any sudden and heavy rain, almost always of the shower type.

An instrument which determines the black-body temperature of a substance by measuring its thermal radiation.

A call requesting direction in answer to the report of a lookout that an object has been sighted.

An opening such as a hole or vent. An opening through which air can pass, or a restricted opening placed in a pipe line to provide a means of controlling or measuring flow.

A light source composed of a metal base, a glass tube filled with an inert gas or a vapor, and base pins to attach to a fixture.