The stay that the jib is hoisted on. Usually the headstay.

The top of a mast.

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 ...

See radiosonde commutator.

A form of thermal energy resulting from combustion, chemical reaction, friction, or movement of electricity. As a thermodynamic condition, heat, at a constant pressure, is equal to internal or intrinsic energy plus pressure times volume.

Ropes hung and used for assistance in ascending and descending.

The theoretical price at which a futures contract should trade to be equivalent to the purchase.

The net transfer of electric charge per unit time. Also called electric current. See also current density.

In the stock market, an index is a device that measures changes in the prices of a basket of.

The part on the object which is hauled upon.

A device for furnishing fresh air to compartments below deck or exhausting foul air. Construction designed to lead air below decks. May have a cowl, which can be angled into or away from the wind; and may be constructed with baffles, so that water is not ...

A stress that causes an elastic body to deform (shorten) in the direction of the applied load. Contrast with tensile stress.

Survey

The array of indicating marks and figure in relation to which the position of an index is observed, i.e. a scale plate on a recorder.

a circular donut-shaped buoy designed to support a person in the water. It is attached to the vessel with a (floating) line so that the person can be hauled back to the boat.

Rules for letters of credit drawn up by the Commission on Banking Technique and Practices of the International Chamber of Commerce in consultation with the banking associations of many countries. See Terms of Payment.

A description of how well people in a lighted space can see to do visual tasks and how visually comfortable they feel in that space.

Weight of the goods alone without any immediate wrappings, e.g., the weight of the contents of a tin can without the weight of the can.

A decrease in the polarization of an electrode; the elimination or reduction of polarization by physical or chemical means; depolarization results in increased corrosion.

The concept of capturing and converting the energy available in the motion of ocean waves to energy.