The ratio of the vapor pressure to the saturated vapor pressure at the temperature considered.

A longitudinal stiffener for the side of a ship, made of angle bar, bulb angle channel or plates, etc. Depending upon their locations, stringers are known as bilge stringers, side stringers, hole stringers, etc.

Method of settling disputes which is usually binding on parties. A clause usually in a charter party.

The surface of the water.

A charge made for a service performed in a carrier's terminal area.

A low headroom space below decks used for provisions or spare parts, or miscellaneous storage.

A unit of volume. A US gallon has 231 cubic inches or 3,785 liters.

Cool air pulled ashore by rising thermal air currents caused by the air inland rising as the land heats up

ACRONYM - National Pipe Thread tapered. A description of a specific pipe thread

The official who is in charge of a harbor, enforcing all its applicable regulations.

Foaming water that rises upward immediately before stem of any craft being propelled through water.

A framing of metal fitted over an opening in a deck, with glass or plexiglass inserted for the admission of light into a cabin, engine room, etc.

An angle piece fitted over the edge of boxes, crates, bundles and other packages to prevent the pressure from metal bands or other types from cutting into the package.

An analytical method of assessing machine health by quantifying and examining ferrous wear particles suspended in the lubricant or hydraulic fluid.

A portable generator which can be attached to a refrigerated container to power the refrigeration unit during transit.

Surrounded by land.

To change direction so as to point farther away from the wind. Also Bear Away, Bear Off or Head Down. The opposite of heading up.

Stemming the tide or sea means to head the vessel's bow directly into the current or waves. Overcome adverse circumstances.

A pressure-volume diagram for a compressor or engine cylinder produced by direct measurement made by the use of a device called an indicator.

A very experienced and/or old sailor