A line drawn through geographical points having the same duration of sunshine (or other function of solar radiation) during a given interval of time.

The lowest value of a measured quality at which a sensor meets its accuracy specification.

A device invented by Captain Jacques Cousteau in 1943 to enable a diver to operate underwater independent from an air supply from the surface.

Is one in which there is no liquid injection and/or liquid circulation for evaporative cooling or sealing.

Large, flat boxes with glass covers and dark-colored metal plates inside that absorb and transfer solar energy to a heat transfer fluid.

A seasonal wind of persistent direction, characterized by a pronounced change in direction between seasons.

LPG or propane for short. Propane is a common fuel used for cooking and heating. CNG natural gas is considered safer because propane is heavy than air and will sink into the bilge if it leaks, creating the potential for an explosion. Propane is more easil ...

'Mutual' non-profit-making institutions set up to lend money to their members for house purchase..

ACRONYM - Approach temperature. Usually the difference between cooling water temperature in to compressed air temperature out of an inter-cooler or after-cooler. Sometimes used to define oil cooler efficiency (cooling water temperature in to oil temperatu ...

Perforation of material in outer space resulting from meteor strikes.

A region near the earth in which the relative velocity increases from zero with elevation, due to the motion of the atmosphere relative to the earth's surface.

A term which means that any person entering into an insurance contract must stand to lose.

See hydrogen embrittlement.

The swelling or bubbling of a coating usually because of heating (term currently used in space and fire protection applications).

Originally meant "to stow cargo". Now, means "to search a ship carefully and thoroughly".

A short period at the turn of the tide. The time between flood and ebb tides when there is no current flow.

(IRS)The US agency responsible for the collection of federal taxes which include personal and corporate.

Amount of solar radiation incident, per unit area and time, on a surface which is perpendicular to the radiation and is situated at the outer limit of the atmosphere, the earth being at its mean distance from the sun. It equals approximately 2.00 ly/ min ...

An atmometer which uses a filter paper disc as the evaporating element. The amount of water evaporated through the paper is read at the graduated tube reservoir.

To unload a shipping container.