noun: Initialism of pilot flying., a pilot currently in control of the flight trajectory of the aircraft, as opposed to pilot monitoring
noun: (physics) Initialism of peak flow. [The largest measure of air respired from the lungs.]
noun: Initialism of power failure. Displayed by some household appliances after a power outage.
noun: (linguistics) Initialism of phonological form.
noun: (psychology) Initialism of psychometric function.
noun: (basketball) Initialism of personal foul. [(sports) A breach of the rules in certain sports, particularly involving dangerous play.]
noun: (basketball) Initialism of power forward. [(basketball) A forward who is the taller of the two forward positions, and is often responsible for scoring near the basket, collecting rebounds and blocking shots in defense.]
noun: (American football, fantasy football) Initialism of points for.
noun: (electronics) Initialism of power factor. [(electrical, engineering) The ratio of the actual power to the apparent power in an alternating current power system; specifically, the cosine of the phase angle between the voltage and the current.]
