The lowest level at which the wind becomes geostrophic in the theory of the Ekman spiral. Also called gradient wind level.

A curve that indicates the number of hours per year that specific wind speeds occur.

Pertaining to forces on a body or part of a body that tend to crush or compress the body.

(1) A molecular structure in which a heterocyclic ring can he formed by the unshared electrons of neighboring atoms. (2) A coordination compound in which a heterocyclic ring is formed by a metal bound to two atoms of the associated ligand. See also comple ...

See 'ATM.

The gravity flow of water within soil.

In the US, the period between the time a policyholder makes an insurance claim and the time it is.

The shares of companies that are well-positioned to withstand recession, usually because the goods.

The part of the rotating element of a dynamic compressor that imparts energy to the flowing medium by means of centrifugal force. It consists of a number of blades mounted so as to rotate with the shaft.

This is an independent regulatory agency within the U.S. DOE that has jurisdiction over interstate electricity sales, wholesale electric rates, natural gas pricing, oil pipeline rates, and gas pipeline certification. It also licenses and inspects private, ...

A turbine that is driven by high velocity jets of water or steam from a nozzle directed to vanes or buckets attached to a wheel. (A pelton wheel is an impulse hydroturbine).

A way of joining photovoltaic cells by connecting positive leads to negative leads; such a configuration increases the voltage.

Resource Conservation and Recovery Act.

The ratio of the radiant energy (heat) leaving (being emitted by) a surface to that of a black body at the same temperature and with the same area; expressed as a number between 0 and 1.

A signboard attached to a daybeacon to convey navigational information presenting one of several standard shapes (square, triangle, rectangle) and colors (red, green, orange, yellow, or black). Daymarks usually have reflective material indicating the sha ...

A locker big enough to hang clothes.

A situation where the exercise price of a call/put option approximates to the current market price.

A company's expenditure to acquire capital.

See principal stress (normal).

The total diffuse and direct insolation on a horizontal surface, averaged over a specified period of time.