QD may refer to:

Businesses and organizations

QD stores QD Stores is an independently owned discount retailer operating in the United Kingdom, primarily in East Anglia and the East Midlands. Products stocked include a mixture of items for the home and garden, basic groceries and a range of clothing ...

, a chain of discount retail outlets in England *

Dobrolet (low-cost airline) Dobrolet LLC (russian: ООО «Добролёт» , translit = OOO Dobrolyot) was a Russian low-cost airline - a subsidiary of Aeroflot - based at Sheremetyevo International Airport. It operated scheduled flights to domestic destinations. H ...

(IATA airline designator QD), a Russian low-cost carrier *

JC International Airlines JC International Airlines Co., Ltd. ( km, ជេសុី អុិនធើណេសិនណល អ៊ែរឡាញ, ) is an airline An airline is a company that provides air transport services for traveling passengers and freight. A ...

(IATA airline designator QD), a Cambodian airline

Science and technology

Quantum dot Quantum dots (QDs) are semiconductor particles a few nanometres in size, having optical and electronic properties that differ from those of larger particles as a result of quantum mechanics. They are a central topic in nanotechnology. When the q ...

s, in nanotechnology *

N-Gage QD The N-Gage QD is a handheld game console and smartphone by Nokia, and a redesign of the N-Gage. It was unveiled on April 14, 2004, and was released on May 26, 2004, running the same Symbian OS v6.1 with Series 60 1st Edition FP1. It revised the ...

, a handheld game console and smartphone * ''Dermatologicals'', a veterinary ATC code D * Queue depth, a measure of concurrency in SSD benchmarking; see

IOPS Input/output operations per second (IOPS, pronounced ''eye-ops'') is an input/output performance measurement used to characterize computer storage devices like hard disk drives (HDD), solid state drives (SSD), and storage area networks (SAN). ...

Quick Disk A floppy disk is a disk storage medium composed of a disk of thin and flexible magnetic storage medium encased in a rectangular plastic carrier. It is read and written using a floppy disk drive (FDD). Floppy disks were an almost universal data f ...

, a type of miniature floppy disk used primarily in the 1980s

Other uses

* '' Quaque die'', "every day" in Latin; mainly pharmaceutical usage {{disambiguation