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Wiktionary
qd

init. 1 once per day 2 (label en nanotechnology) (initialism of quantum dot English)

Wikipedia
QD

QD may refer to:

  • Air Class Líneas Aéreas, IATA airline designator
  • Dobrolet (low-cost airline), IATA airline designator
  • Quantic Dream
  • Quantum dot
  • quaque die, a Latin phrase meaning "every day"
  • Quarter-deck, a part of a ship
  • Queen Dowager
  • Questioned Documents, the field of forensics that deals with the scientific examination of documents
  • Nokia N-Gage QD
  • Quick disconnect, fitting used to provide a fast, make-or-break connection of fluid transfer lines
  • Quill and Dagger, a Senior Honor Society at Cornell University
  • ATCvet code QDDermatologicals, a section of the Anatomical Therapeutic Chemical Classification System for veterinary medicinal products
  • QD stores, a chain of discount retail outlets in England