(music, idiomatic) A chord or combination of notes used in rock music and typically selected to sound good at high volume and high levels of distortion. Power chords make extensive use of intervals such as open fourths and fifths.

(obsolete) a machine that used draft horses as a source of power

An unexpected, temporary, uncontrolled increase in current or voltage in an electrical circuit; a voltage spike. / An unexpected and uncontrolled increase in the output power of an engine or motor.

The ability of a weapon (typically a firearm or other ranged weapon) to rapidly incapacitate or immobilize a target.

(computing) A person who makes heavy use of computers, running many applications and capable of using advanced functionality.

A phrase suggesting female exuberance and independence, used to market several female musical groups, especially the Spice Girls.

an industrial complex where electricity is produced.

Used other than figuratively or idiomatically: see power, supply. / A source of power such as the mains or a generator.

(mathematics) A function where the independent variable is raised to a particular real number power.

(uncountable) Power, especially electrical power, obtained using nuclear fission or nuclear fusion. / (countable) A nation that possesses nuclear weapons.