An imaginary line around the center of the earth at 0

New York Society of Maritime Arbitrators

A term used to describe short and long-term affects on the Earth's climate as a result of human activities such as fossil fuel combustion and vegetation clearing and burning.

The relative extent that energy is required for a process.

Waste water from a household source other than a toilet. This water can be used for landscape irrigation depending upon the source of the greywater.

A wooden lattice-work covering a hatch or the bottom boards of a boat; similarly designed gratings of metal are frequently found on shipboard.

The difference between a bond's face value and the lower market price.

(Bridging loan)See: 'money supply.

A term used to cover all of the anchor gear.

The charge you pay if you borrow money, and the income you receive if you lend it or invest it in.

The movement of ions through the electrolyte associated with the passage of the electric current. Also called transport or migration.

Precipitation from a cumuliform cloud. Characterized by the suddenness of beginning and ending, by the rapid change in intensity, and usually by a rapid change in the condition of the sky. The solid or liquid water particles are usually bigger than the co ...

An anemometer which measures wind speed by means of the properties of wind-borne sound waves. It operates on the principle that the propagation velocity of a sound wave in a moving medium is equal to the velocity of sound with respect to the medium plus t ...

Same as an upper air observation, but commonly used to refer to a single complete radiosonde observation.

One of several constant-pressure levels in the atmosphere for which a complete evaluation of data derived from upper air observations is required.

To turn the boat away from the wind. Also, Fall Off. The opposite of heading up.

Development of the lugsail rig where the sail is cut with a very short luff and lon leech.

A thermostat that can be set to automatically lower temperatures in an unoccupied house and raise them again before the occupant returns.

Interest, dividend or other income payments received regularly from an investment.

Downward scattered and reflected solar radiation, coming from the whole hemisphere with the exception of the solid angle of the sun's disc on a surface perpendicular to the axis of this cone.