Those frames of a ship's hull which are equal in area, one forward and one aft of the ship's center of gravity.

Is used in psychrometry and is the temperature recorded by a thermometer whose bulb has been covered with a wetted wick and whirled on a sling psychrometer. Taken with the dry bulb, it permits determination of relative humidity of the atmosphere.

The windward side (from where the wind is blowing).

A sailor's trunk; the intake between the ship's side and a sea valve.

Ropes hung and used for assistance in ascending and descending.

Dining room facilities and kitchen for crew separate from the passenger dining room and kitchen.

A bulkhead that will not let water pass from one side of it to the other.

A sailing ship with three to five masts, all of them square-rigged except the after mast, which is fore-and-aft rigged.

Incapable of being mixed without separation phases. Water and petroleum oil are immiscible under most conditions, although they can be made miscible with the addition of an emulsifier.

The country in which the vessel is registered.

Cargo which has been booked but does not arrive in time to be loaded before the vessel sails. See also "Windy Booking."

Is the ratio of the computed isentropic temperature rise to the measured total temperature rise during compression.

This is a factor expressing deviation of a gas from perfect gas laws.

Six feet. Comes from the Dutch word "fadom" which was the distance between fingertips of outstretched hands.A unit of measurement relating to the depth of water or to the length of line or cable; one fathom is 6 feet or 1.83 meters

Boat carried at davits on quarter of ship, and kept ready for immediate use when at sea.

An abbreviation of forecastle.

(1) To throw, as to heave a line ashore. (2) An upward pull on a line; to lift (3) The rise and fall of a vessel in a seaway.

A weight attached to a line used to determine depth by lowering it into the water.

Transaction or interchange that occurs at the time a container leaves a rail or water terminal.

A fix taken by visually observing the location of known landmarks.