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

Other uses

Quaque die, "every day" in Latin; mainly pharmaceutical usage

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