Word.ws English Dictionary

pf

pf is the initialism of power factor.

pf is the alternative form of pff.

Meaning of power factor

Noun

power factor (plural power factors)

  1. 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.
    • The power factor is of interest because it is a measure of the power which does useful work.

Meaning of pff

Interjection

  1. An expression of annoyance or disappointment.
  2. A dismissive response to a ridiculous comment.
    • My doctor advised me to drink less. Pff, if only it were so easy.
  3. The sound made whilst blowing a raspberry.
  4. The sound of stifled laughter.

Noun capitalized: PF

PF (countable and uncountable, plural PFs)

  1. (abbreviation, initialism) Initialism of pilot flying, a pilot currently in control of the flight trajectory of the aircraft, as opposed to pilot monitoring.
  2. (abbreviation, initialism) Initialism of peak flow.
  3. (abbreviation) Abbreviation of power failure; displayed by some household appliances after a power outage.
  4. (abbreviation, initialism) Initialism of phonological form.
  5. (abbreviation, initialism) Initialism of psychometric function.
  6. (abbreviation, initialism) Initialism of personal foul.
  7. (abbreviation, initialism) Initialism of power forward.
  8. (abbreviation, initialism) Initialism of points for.
    • Coordinate term: PA
    • The Giants and Commanders have the same record after 13 games each. However, Washington has control of third place in the NFC East due to a better PF/PA record in comparison to the Giants.2022 December 14, “NFL Playoff picture Week 15: Are the New York Giants still in contention for the postseason?”, in Sportskeeda, archived from the original on 17 Dec 2022
  9. (US, abbreviation, initialism) Initialism of patrol fighter.

Forms of pf

pluralPFs

Phrases with pf

Questions about pf

What is pf the initialism of?
Pf is the initialism of power factor.
What part of speech is pf?
Pf is a noun.
What is the plural of pf?
The plural of pf is PFs.

Words near pf in the dictionary

  1. Peć
  2. Peștera
  3. Peștiș
  4. Peștișani
  5. pe̍h-ōe-jī
  6. pf
  7. PF key
  8. PF keys
  9. PF ratio
  10. PF ratios
  11. pf.

Source and license

Adapted from Wiktionary: pf (page history and authors); PF (page history and authors); power factor (page history and authors); pff (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “pf.” Word.ws, https://word.ws/pf. Based on Wiktionary, CC BY-SA 4.0.