Personal Flotation Device

The height of the cloud base above the local terrain.

Thread - Unified national coarse.

Foreign substance which comes from the environment, adhering to a surface of a material

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 ...

The order in which compressors are brought online.

A rain gauge or array of rain gauges designed to measure the inclination and direction of falling rain.

(1) To float a vessel off the ways in a building yard after it is completed. (2) A small boat used to ferry people to and from a larger vessel.

A thermometer consisting of a clock mechanism the speed of which is a function of temperature.

The ratio of the electrochemical equivalent current density for a specific reaction to the total applied current density.

A hypothetical "body" whose surface absorbs no electromagnetic radiation of any wavelength. An idealization exactly opposite to that of the black body. In nature, no true white bodies are known. Moist white pigments exhibiting high reflectivity for visibl ...

A column of burning combustion gases that are so hot and strong that the heat is lost up the chimney before it can be transferred to the house. A draft brings air to the fire to help keep it burning.

See radiosonde commutator.

An abbreviation for one thousand cubic feet of natural gas with a heat content of 1,000,000 Btus, or 10 therms.

Holes cut in a plate to make it lighter and yet not reduce its strength.

Transfer Of Class Agreement (IACS)

To remove from a ship. To remove an item from its place.

A type of precipitation composed of unbranched crystals in the form of needles, columns, or plates. Usually has a very slight downward motion and may fall from a cloudless sky.

The tendency of the strands of a line to fray out at the ends.

Waste Heat Fire-Tube Boiler Survey