1,000 board feet. One MBM equals 2,265 C.M.

The behavior of perfect gases, or mixtures thereof, follows a set of laws. Boyle' law, Charle's law, Amonton's law, Dalton's law, Amagat's law, Avogadro's law, Poisson's law.

An international goods classification system for describing cargo in international trade under a single commodity-coding scheme. Developed under the auspices of the Customs Cooperations Council (CCC), an international Customs organization in Brussels, thi ...

(1) Old nickname for a sailor, who would treat his canvas coats and hats with tar as a protection against the weather. (2) The distilled residue of gum extracted from pine trees, used for preserving many things.

Annual publication of astronomical data for the use of navigators.

An indentation of the coastline between two headlands.

To unfold or unroll a sail. The opposite of furl.

The framework of timber, etc., on which a vessel is built, from which she is launched into the water.

Cargo more than eight feet high which thus cannot fit into a standard container.

Before the introduction of man-made fibers, much of the rope used at sea was made from manila. Made from the fibers of banana plants in the Philippines, manila did not rot when it was exposed to seawater.

The ability of a fluid that is insoluble in water to separate from water with which it may be mixed in the form of an emulsion.

(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.

Freight that has not been called for or picked up by the consignee or owner.

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

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 ...

Navigable channel.

Open Shelter Deck ship.

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

The ability of a boat to keep from being moved sideways by the wind. Keels, daggerboards, centerboards, and leeboards are all used to improve a boat's lateral resistance.

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 ...