The temperature at which the liquid and solid forms of a substance may exist in equilibrium at a given pressure (usually one standard atmosphere). The true freezing point of water is known as the ice point.

To run a line completely through and out of a block, fairlead, etc.

Usual and accustomed speed.

Passing another vessel.

A type of anaerobic digester that has a mechanical mixing system and where temperature and volume are controlled to maximize the anaerobic digestion process for biological waste treatment, methane production, and odor control.

September 16, 1992: the day the pound was driven out of the Exchange Rate.

Is the temperature at the inlet flange of the compressor.

Said of anchor when it lifts clear of the bottom.

An index of the share prices of the 300 largest European companies, by market.

A winch designed for hoisting and lowering the life boat.

An arc of a circle in which certain types of navigational lights known as sector lights are visible.

Lines drawn on a weather map indicating regions of equal pressure. When the lines are close together, this indicates a rapid change in air pressure, accompanied by strong winds.

A metal pin by which the plating and other parts of iron and steel vessels are joined. Rivets are known by their heads, such as: Flush, pan, snap, plug, tap, countersunk, mushroom, and swollen neck.

TRADES Foreign-to-foreign trade carried by ships from a nation other than the two trading nations.

The amount of energy an energy storage device or system can store.

Same as water year.

In aviation terminology, route or terminal weather conditions of sufficiently low visibility to require the operation of aircraft under instrument flight rules.

A polarimeter utilizing a Wollaston prism as a polarizer and a Nicol prism as an analyzer.

A small boat with the mast stepped far forward, carrying a single sail

Used to describe a light that blinks on and off, where the period of light is shorter than the period of darkness separating the flashes.