(economics) A theory of long-term equilibrium exchange rates based on relative price levels of two countries.

A power plant that obtains its primary energy from the heat generated in nuclear reactions.

A power station that obtains its primary energy from the heat generated in nuclear reactions.

plural of nuclear power station

A power station that generates a store of power when power is available from other sources, and releases it to the network when needed (normally by pumping water to a high-level reservoir)

plural of power take-off

A powered shaft on a agricultural tractor or other machine used for auxiliary equipment.

To address facts to an authority or a superior.

plural of nuclear power plant

(mathematics, politics) An index defined by the probability of changing an outcome of a vote where voting rights are not necessarily equally divided among the voters or shareholders.