PDD (disambiguation)

PDD often refers to Pervasive developmental disorder.

PDD may also refer to:

Medicine

Physics and chemistry

Computing and technology

Business and law

  • Pinduoduo, NASDAQ ticker PDD
  • Project Design Document, a precise project description which serves as the basis for the Clean Development Mechanism (CDM) (project evaluation)
  • Public Domain Day, an observance of when copyrights expire and works enter into the public domain

Politics

Arts

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