Word.ws English Dictionary

PD

PD is the initialism of police department.

PD is the initialism of phase detector.

PD is the initialism of public domain.

PD is the initialism of peritoneal dialysis.

PD is the initialism of penile duplication.

PD is the abbreviation of period.

Meaning of police department

Noun

police department (plural police departments)

  1. Police force, especially a local or regional branch of a national police force.

Meaning of public domain

Noun

public domain (uncountable)

  1. (also, attributive) The state of not being owned by anyone, and thus freely usable by everyone.
  2. (also, attributive, specifically) The realm of intellectual property which is not or no longer protected by copyrights or patents, and thus over which no person can establish a proprietary interest.
    • As the copyright in this book has lapsed, it is now in the public domain.
  3. (also, attributive) The state of not or no longer being confidential or secret.
    • Very little information about the treaty is in the public domain.
  4. (US, especially) Land regarded as owned by the public, and not subject to a land patent or other forms of private ownership (for example, unowned prairie in the southwestern and western United States).

Forms of PD

pluralPDs

Questions about PD

What is PD the initialism of?
PD is the initialism of police department.

Words near PD in the dictionary

  1. PCV
  2. PCVs
  3. PCW
  4. PCX
  5. pcynidiospore
  6. PD
  7. PDA
  8. PDAF
  9. PDAs
  10. PDB
  11. PDBs

Source and license

Adapted from Wiktionary: PD (page history and authors); police department (page history and authors); public domain (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.

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