The Captain of a vessel. Highest officer aboard ship. Oversees all ship operations. Keeps ships records. Handles accounting and bookkeeping. Takes command of vessel in inclement weather and in crowded or narrow waters. Handles communications.

Nautical name for an anchor. Originally, was a stone used as an anchor.

The arrangement, proportion, and design of windows in a building.

A thermal storage wall is a south-facing wall that is glazed on the outside. Solar heat strikes the glazing and is absorbed into the wall, which conducts the heat into the room over time. The walls are at least 8 in thick. Generally, the thicker the wall, ...

The highest continuous deck which runs the full length of the ship without a fall or interruption.

Slang for getting married. A splice joins two lines together permanently.

The lowest temperature that can be obtained on a wet-bulb thermometer in any given sample of air. Obtained by evaporation of water (or ice) from the muslin wick. Used in computing dew point and relative humidity.

A chemical process involving formation of a heterocyclic ring compound that contains at least one metal cation or hydrogen ion in the ring.

A tiller or a wheel generally installed on the bridge or wheelhouse of a ship to turn the rudder during manoeuvering and navigation. It is in fact the steering wheel of the ship.

Bulk Carrier or Motorcar Carrier

A form of deterioration that is distributed more or less uniformly over a surface; See uniform corrosion.

Said of a lighthouse not tended.

Emergency Position Indicating Radio Beacon. Small buoyant transmitter which should always remain afloat if the ship sinks, and send automatically a distress message via satellites.

International Monetary Fund.

Same as instrument shelter.

The sale (purchase) of a near month call option (put option) and the simultaneous purchase (sale) of.

The minimum temperature shown by a minimum thermometer exposed in an open situation with its bulb at the level of the tops of the grass blades of short turf.

Ropes hung and used for assistance in ascending and descending.

The operation of taking a sounding with the hand lead (to find bottom).

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.