QD

QD may refer to:

Businesses and organizations

QD stores, a chain of discount retail outlets in England
Dobrolet (low-cost airline) (IATA airline designator QD), a Russian low-cost carrier
JC International Airlines (IATA airline designator QD), a Cambodian airline

Science and technology

Quantum dots, in nanotechnology
N-Gage QD, a handheld game console and smartphone
Dermatologicals, a veterinary ATC code D
Queue depth, a measure of concurrency in SSD benchmarking; see IOPS
Quick Disk, a type of miniature floppy disk used primarily in the 1980s

Other uses

Quaque die, "every day" in Latin; mainly pharmaceutical usage
The EU Qualification Directive (Directive 2011/95/EU of the European Parliament and of the Council of 13 December 2011 on standards for the qualification of third-country nationals or stateless persons as beneficiaries of international protection, for a uniform status for refugees or for persons eligible for subsidiary protection, and for the content of the protection granted)

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