HX, Hx, Hx, or hx may refer to:
HXMM01, known more formally as 1HERMES S250 J022016.5−060143, is a starburst galaxy located in the northwestern portion of the constellation Cetus.
The HX postcode area, also known as the Halifax postcode area, is a group of seven postcode districts in England, which are subdivisions of four post towns.
Air Test and Evaluation Squadron TWO ONE (HX-21) "Blackjack" is a U.S. Navy aircraft squadron located at Naval Air Station Patuxent River, Maryland on the Chesapeake Bay.
Daniel Pollard (born August 23, 1983), more commonly known by his stage name HXV (Heroes x Villains) is an American music producer.
HxD is a hex editor, disk editor, and memory editor developed by Maël Hörz for Windows. It can open files larger than 4 GiB and open and edit the raw contents of disk drives, as well as display and edit the memory used by running processes.
The HX convoys were a series of North Atlantic convoys which ran during the Battle of the Atlantic in the Second World War.
HXC Recordings (also known as Hot Charity) is a Bronx-based independent record label, distributed by British record company, Beggars Group through XL Recordings.
X-radiation (composed of X-rays) is a form of electromagnetic radiation. Most X-rays have a wavelength ranging from 0.01 to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz (3×1016 Hz to 3×1019 Hz) and energies in the range 100 eV to 100 keV.
The graphics display resolution is the width and height dimensions of an electronic visual display device, such as a computer monitor, in pixels.