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 ...

An evaluation, according to set procedures, of those weather elements which are most important for aircraft operations. Always includes cloud height or vertical visibility, sky cover, visibility, obstructions to vision, certain atmospheric phenomena, and ...

A radiosonde which transmits the indication of the meteorological sensing elements in the form of a code consisting of combinations of dots and dashes.

"Li-Ion" and "LiPo" batteries refer to lithium ion and lithium polymer respectively. They are the latest versions of rechargeable battery and produce three times the voltage of a nickel battery and last three times as long. They are widely used in cell ph ...

(1) A reaction in which there is an increase in valence resulting from a loss of electrons. Contrast with reduction. (2) A corrosion reaction in which the corroded metal forms an oxide; usually applied to reaction with a gas containing elemental oxygen, s ...

An offer to sell goods at a stated price and under stated terms.

A reflecting type telescope with a 45

National Maritime Resource Center.

The line where the water comes to on the hull of a boat. Design waterline is where the waterline was designed to be, load waterline is the waterline when the boat is loaded, and the painted waterline is where the waterline was painted. Actual waterline is ...

The destruction of adhesion between a coating and the surface coated.

The rate of change of an option's delta relative to a given change in the underlying share. Equal to.

A mound of dirt next to exterior walls to provide wind protection and insulation.

A cell developed in an electrolyte resulting from electrical contact between two dissimilar metals. See galvanic corrosion.

International Institute of Marine Surveyors

A positively charged ion that migrates through the electrolyte toward the cathode under the influence of a potential gradient. See also anion and ion.

Anti-clockwise circular motion. Left-handed ropes are coiled down in this way.

The housing around a motor that supports the active parts and protects them. They come in different varieties (open, protected) depending on the degree of protection required.

A thermograph in which ventilation is provided by a suction fan.

Artificial objects to supplement natural landmarks indicating safe and unsafe waters.

An opening in a ship's deck for the loading and discharging of any kind of cargo.