An air infiltration measurement technique developed by the Brookhaven National Laboratory to measure changes over time (one week to five months) when determining a building's air infiltration rate. This test cannot locate exact points of infiltration, but ...

The angle a celestial body makes with the horizon.

A sunshine recorder of the type in which the time scale is supplied by a chronograph. It consists of two bulbs, one of which is blackened, which communicate through a glass tube of small diameter. The tube is partially filled with mercury and contains two ...

A letter of credit that contains a limited engagement clause which states that the issuing bank promises to pay the beneficiary upon presentation of the required documents at its counters or the counters of the named bank.

The title of a commander of a fleet or a subdivision of it.

An instrument for measuring electrical current in amperes.

In the direction of the vessel's head. Wind ahead is from the direction toward which the vessel's head points. In a forward direction.

A device for conditioning air in an interior space. A Room Air Conditioner is a unit designed for installation in the wall or window of a room to deliver conditioned air without ducts. A Unitary Air Conditioner is composed of one or more assemblies that u ...

To produce a zinc-iron alloy coating on iron or steel by keeping the coating molten after hot dip galvanizing until the zinc alloys completely with the base metal.

The ratio of light output of a fluorescent lamp operated on a ballast to the light output of a lamp operated on a standard or reference ballast.

(1) The metal present in the largest proportion in an alloy; brass, for example, is a copper-base alloy. (2) An active metal that readily oxidizes, or that dissolves to form ions. (3) The metal to be brazed, cut, soldered, or welded. (4) After welding, th ...

A recording anemoclinometer.

On the deck (not over it - see ALOFT)

A rain gauge which indicates but does not record the amount of precipitation captured.

The amount of money needed to purchase equipment, buildings, tools, and other manufactured goods that can be used in production.

Placing a port on a vessel's itinerary because the volume of cargo offered at that port justifies the cost of routing the vessel.

An instrument designed to measure quantities of heat. Sometimes used in meteorology to measure solar radiation.

The captain of the ship.

Reinforced cringles or thimbles in the sail designed to hold the reefing lines when reefing the sail.

International Code for Vessels Carrying Chemicals in Bulk (IMO)