Word.ws English Dictionary

PFD

PFD is the initialism of phase-frequency detector.

PFD is the initialism of personal flotation device.

PFD is the initialism of primary flight display.

PFD is the initialism of process flow diagram.

PFD is the initialism of photon flux density.

PFD is the initialism of prepared for dyeing.

Meaning of personal flotation device

Noun

personal flotation device (plural personal flotation devices)

  1. A life vest or other device or article of clothing designed to be used by one person as an aid to remaining safely afloat in water, especially in an emergency situation.
    • Under the new personal flotation device regulations, boats 16 feet and longer must have one wearable type flotation device on board the boat for each person.1973 October 15, “Water Safety Drive Concluded”, in Ocala Star-Banner, retrieved 07 Jan 2010, page 5B
    Synonyms:
    flotation suit, life belt, life buoy, life jacket, lifesaver, Mae West, PFD

Forms of PFD

pluralPFDs

Questions about PFD

What is PFD the initialism of?
PFD is the initialism of phase-frequency detector.

Words near PFD in the dictionary

  1. PFCC
  2. PFCCs
  3. PFCE
  4. PFCEs
  5. PFCs
  6. PFD
  7. PFDs
  8. Pfeffer
  9. Pfeffer's solution
  10. Pfefferkorn
  11. Pfefferkorns

Source and license

Adapted from Wiktionary: PFD (page history and authors); personal flotation device (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: “PFD.” Word.ws, https://word.ws/pfd. Based on Wiktionary, CC BY-SA 4.0.