English abbreviations from hdr to heaa
- HDR (Hard disk recorder)
- HDRA (Henry Doubleday Research Association)
- HDRSAT (High Data Rate Satellite Terminal)
- HDS (HOLOgraphic Diffraction Sight)
- HDSA (Huntington's Disease Society of America)
- HDSB (Heavy Dry Support Bridge)
- HDSD (Hydrogen Defect Shallow Donors)
- HDSL (High-bit-rate Digital Subscriber Line)
- HDT (High Resolution Dipmeter Log)
- HDTC (Humanitarian Demining Training Center)
- HDTV (High-Definition Television)
- HDU (Horizontal Drive Unit)
- HDV (High Definition Video)
- HDW (Heat Declared Winner)
- HDX (Half Duplex)
- HDY (Hat Yai International Airport)
- HE (high-explosive)
- HE/PR (high-explosive practice)
- HEA (Herat Airport)
- HEAA (High-Explosive Anti-Armour)