HD
HD is an abbreviation for:
- 1 H 2 H, deuterated hydrogen
- Air Holland , former Dutch airline (IATA code)
- Bournemouth (UK license plate)
- Djibouti Airport (ICAO code)
- Delmenhorst train station (DS100 code)
- Port Director , Port Director
- Hamming distance , Hamming distance , a measure of the difference in character strings
- Hemodialysis , a blood cleaning procedure for kidney failure; see dialysis
- Hard disk or hard drive (fully hard disk drive , HDD ), hard disk drive
- Harley-Davidson , motorcycle brand name and manufacturer
- Harmonization document , see Harmonized Standard
- House search , a police measure
- Main deck , on ships
- Heinkel double-decker, type abbreviation for double-decker aircraft from the manufacturer Ernst Heinkel Flugzeugwerke
- Hedmark (license plate in Norway)
- Henry Draper Catalog , an astronomical star catalog containing position and spectral type data for 225,300 stars
- Heidelberg (license plate in Germany, etc.)
- Superheated steam in technical application, for example for operating steam turbines
- Heliand-Mädchenkreis , a Roman Catholic girls and women association in Germany
- Hella Distribution GmbH , logistics service provider, see Hella (company)
- Focus dose , radiation dose absorbed by the target tissue
- High definition - multiple meanings
- High Density - multiple meanings
- Auxiliary service - multiple meanings
- High-decker - several meanings
- High pressure - multiple meanings
- University lecturer - multiple meanings
- Higher service in the career for civil servants in Germany
- Huddersfield (UK postcode)
- Hip dysplasia , collective term for malpositions and growth disorders of the hip joint
- Huntington's Disease , an inherited disease of the brain, see Huntington
- Rhein-Neckar-Kreis (license plate in Germany)
- Mustard gas , chemical warfare agent (NATO code)
- Waterways and Shipping Office Heidelberg (small vehicle registration)
