plural of space power system

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 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.

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.

(electrical engineering) A device or system that almost instantaneously provides emergency power in the case that main power fails.

(set theory) The axiom that the power set of any set exists and is a valid set, which appears in the standard axiomatisation of set theory, ZFC.

(algebra) An algebra such that every subalgebra generated by one element is associative.