What does QD stand for?

Do you know what does QD mean? From the following table, you can find out all definitions of QD.

Acronym Definition
QD Quad Damage
QD Quadrupole Doublet
QD Qualified Data
QD Quality Denial
QD Quand
QD Quantity Discount
QD Quantity Distance
QD Quantity/Distance
QD Quantum Data, Inc
QD Quantum Dot
QD Quaque Die
QD Quarter Deck
QD Quasi Dicat
QD Quattuor Dimensionis
QD Query Detection
QD Questionable Data
QD Questioned Document
QD Queuing Delay
QD Quick Disconnect
QD QuickDraw
QD Quotient de Danger