A light sail, such as a spinnaker, used to make the most of light following winds.

(IRA)In the US, a tax-deferred retirement savings account which may be set up by people in employment. .

Per Hatch Per Day

The line to which a vessel is submerged with a full cargo on board.

Reformulated Gasoline (Clean air act).

A topsail on the main mast.

The power output of a device under specific or nominal operating conditions.

Value of soil moisture, expressed as a percentage of the mass of dry soil, below which a plant living in the soil dies by wilting.

An option is deep in-the-money when it is so far in-the-money that it is unlikely to go.

A strategy employed in a futures market to reduce risk.

(1) To bind a line with marline, cord, twine, wire, or other "small stuff" to prevent accidental opening or unraveling (2) To freeze up, as a valve.

The difference between the total cooling effect and the dehumidifying effect.

A type of solar thermal collector in which a heat transfer fluid drips out of header pipe at the top of the collector, runs down the collector absorber and into a tray at the bottom where it drains to a storage tank.

At right angles to the centerline of the boat; rowboat seats are generally athwart ships.

All orders in a floor broker's possession that have not yet been.

Fog over land caused by condensation of vapor in the air above cooler ground.

In the US, a distribution of interest or dividends to the shareholders of a mutual.

Corrosion due to the action of "local cells," that is, galvanic cells resulting from inhomogeneities between adjacent areas on a metal surface exposed to an electrolyte.

A product of crude oil that is used for space heating, diesel engines, and electrical generation.

The process of implementing measures to reduce peak power demands on a system.