PPD

English

Noun

PPD (countable and uncountable, plural PPDs)

  1. Initialism of paranoid personality disorder.
    Coordinate terms: SzPD, StPD
  2. Initialism of postpartum depression.
  3. Initialism of purified protein derivative.
  4. Initialism of pixels per degree. (a measurement of the visual fidelity of a virtual reality headset)
  5. (astronomy, countable) proplyd; Abbreviation of protoplanetary disc.
    Coordinate term: CPD

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