Astronomy Abbreviations and Acronyms
- HFMAHealthcare Financial Management Association
- HGMercury
- HGAHigh Gain Antenna
- HGAHigh Gain Antennae
- HGDHot Gas Discharge
- HHHitchhiker
- HHHorizontal Transmwt
- HHOHerbig-Haro Object
- HHSHealth and Human Services Department
- HHTHeinrich-Hertz-Telescope
- HIHyperfine Interactions
- HI-VOLTHigh Voltage
- HIAAHealth Insurance Association of America
- HIAKASATHyperspectral Imaging, Aeronautical Kinematic Analysis Satellite
- HIBHealth Insurance Bureau (Japan)
- HIBCCHealth Industry Business Communications Council
- HICATHipass Catalog
- HIDHardness-Intensity Diagram
- HIDAHealth Industry Distributors Association
- HILATHigh Natitude Reseach Satellite
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