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ppd

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PPD¹

noun PPDs

  1. abbreviation, countable, initialism, uncountable Initialism of paranoid personality disorder
  2. abbreviation, countable, initialism, uncountable Initialism of postpartum depression
  3. abbreviation, countable, initialism, uncountable Initialism of purified protein derivative
  4. abbreviation, countable, initialism, uncountable Initialism of pixels per degree (“a measurement of the visual fidelity of a virtual reality headset”).
  5. abbreviation, countable proplyd; Abbreviation of protoplanetary disc
  6. abbreviation, countable, initialism, uncountable Initialism of paraphenylenediamine
  7. abbreviation, countable, initialism, uncountable Initialism of project product description

ppd²

adjective

  1. abbreviation, not comparable Abbreviation of postpaid (“having the cost of postage already paid”). Stratigraphic and geological collections available. All shipments ppd. Full money back guarantee.

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MLA

"ppd." Wiktionary, via Micwyn, micwyn.com/word/ppd. Accessed 6 Nov. 2026.

APA

ppd. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/ppd

Chicago

"ppd." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/ppd.

BibTeX
@misc{ppd_2026,
  title = {ppd},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/ppd},
  urldate = {2026-11-06}
}