QX may refer to: Arts and media. QX (magazine), Scandinavia. QX (British magazine), England. CFQX-FM, a Canadian country music radio station. Business. QX Metals. Quality of Experience. Horizon Air (IATA airline designator: QX) Computing. Epson QX-10 and QX-16, microcomputers. QX/V32c, QX/4232 and QX/4232bis, a series of modems made by Microcom. Alternative name for the IBM Quantum Experience. Science. qx, the probability of death of a person aged x years, before reaching the age x + 1; see life expectancy. QX, a disease of oysters caused by the Marteilia parasite.
https://en.wikipedia.org/wiki/QX