An indentation of the coastline between two headlands.

The order in which compressors are brought online.

The process of plotting a theoretical position or future position based on advancing from a known position using speed, time, and course, without aid of objects on land, of sights, etc. Term comes from deduced reckoning, abbreviated first to "ded reckonin ...

Cargo thrown overboard in order to lighten the ship and washed ashore.

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

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

Fixed ports that do not open which are placed in the deck or cabin to admit light.

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

An annual publication that contains tidal information and information about the position of the sun, moon, planets and stars. This information is used for celestial navigation.

In the days of tall ships the barometer was a glass vessel with a thin stem. The fluid in the glass (in most cases water) would move up and down the stem as the pressure of the surrounding atmosphere changed. These movements were used to predict changes i ...

Is a measure of the rate of change of viscosity with temperature. Oils with high VI have low viscosity changes.

A compressor cooled by atmospheric air circulated around the cylinders or casing.

An industry abbreviation for "Hazardous Material."

Little or no wind and flat seas

Abbreviation for "Not Elsewhere Specified."

A rope spliced into the end of a block and used for making it fast to rigging or spars. Such a block is called a tail-block.

A track or groove in the back of the mast to which the sail is attached by means of lugs or the bolt rope.

A method of docking with a boat's stern to the dock.

Is a technique for predicting whether water will tend to dissolve or precipitate calcium carbonate. If the water precipitates calcium carbonate, scale forming may result. If the water dissolves calcium carbonate, it has a corrosive tendency.

A metal air-tight tank built into a boat to insure flotation even when the boat is swamped.