Your abbreviation search returned 104 meanings
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| Rank Abbr. | Meaning | |
|---|---|---|
| HA | Hands (Front Page Sports Football '95 et al) | |
| HA | High Availability | |
| HA | Highly Available | |
| HA | Home Agent | |
| HA | Heart Attack | |
| HA | Hospital Authority | |
| HA | Housing Authority | |
| HA | Home Address | |
| HA | Haiti | |
| HA | La Habana (postcode, Cuba) | |
| HA | Home Alone | |
| HA | Headache | |
| HA | Hawaii (old style) | |
| HA | Highways Agency (England) | |
| HA | Health Affairs | |
| HA | Hectares | |
| HA | Home Automation (residential housing controls) | |
| HA | Health Assessment | |
| Ha | Hydrogen Alpha | |
| HA | Health Administration | |
| HA | High Altitude | |
| HA | Hells Angels | |
| HA | Harrow (postcode, United Kingdom) | |
| HA | Human Anatomy (college course) | |
| HA | Humanitarian Assistance (US DoD) | |
| HA | Historical Association (various organizations) | |
| HA | Hyaluronic Acid | |
| HA | Humanitarian Assistance | |
| HA | Half-Assed | |
| HA | High Authority | |
| HA | Heritage Area (various locations) | |
| HA | Hydroxyapatite | |
| HA | Hospital Acquired (Infection) | |
| HA | Hazard Analysis | |
| HA | Hawaiian Airlines (IATA airline code) | |
| HA | Hippocampal Atrophy (neurology) | |
| HA | Hazard Assessment | |
| HA | Health Advisory | |
| HA | Hemolytic Anemia | |
| HA | Humic Acid | |
| HA | Holding Area | |
| HA | Hauptabteilung (German) | |
| HA | High Assurance | |
| HA | Heavy Armor | |
| HA | Hepatic Artery | |
| HA | Housing Allowance | |
| HA | Histocompatibility Antigen | |
| HA | Halmahera | |
| HA | Hour Angle | |
| HA | Heterocyclic Amine (food mutagen) | |
| HA | High Ambient (temperature limit) | |
| HA | Hospitality Association | |
| HA | High Achiever | |
| HA | Hemaglutinin (glycoprotein on influenza virus) | |
| HA | Highways Act 1980 (UK) | |
| HA | Hazardous Area | |
| HA | Height-For-Age | |
| HA | Honorary Alumnus | |
| HA | Hahnium | |
| HA | Healthy America | |
| HA | Hepatitis-Associated | |
| HA | Home Assignment | |
| HA | Half Adder | |
| HA | Hybrid Algorithm | |
| HA | Hemagglutination Assay | |
| HA | Haute Activité (French: High Activity; radioactivity) | |
| HA | Hostile Aircraft | |
| H-A | Hippocampus and Amygdala (limbric system) | |
| HA | Hydrocephalus Association | |
| HA | Hypnotherapy Association | |
| HA | High-Alarm | |
| HA | Household Activity | |
| HA | Haight-Asbury | |
| HA | Harmonic Approximation | |
| HA | Heidelberg Appeal | |
| HA | Hybrid Amplifier | |
| HA | Hub Architecture | |
| HA | Hexenyl Acetate | |
| HA | Hearing Assistant | |
| HA | Adopted in the House (approved business of the House of Representatives, North Carolina) | |
| HA | Hatch Act of 1887 | |
| HA | Hippocampal Asymmetry | |
| HA | Hardness Assurance (radiation) | |
| HA | Harmonic Analyzer | |
| HA | Hall Angle | |
| HA | Hospitalman Apprentice (US Navy rating) | |
| HA | Hyper-Androgenism | |
| HA | Halifax Academy (Roanoke Rapids, North Carolina) | |
| HA | Hack Addict (eZine) | |
| HA | Hit Avoidance | |
| HA | Hit Assessment | |
| HA | Hydraulic Association (UK) | |
| HA | Hull Array | |
| HA | Heavy Assist (nursing) | |
| HA | Homelan Alliance (gaming clan) | |
| HA | Hanford Operations Office (Department of Energy) | |
| HA | Howey Academy (Florida) | |
| HA | Heyting Arithmetics | |
| HA | Hipuric Acid | |
| HA | Heterodyne Amplifier | |
| HA | Hersteld Actief (Dutch) | |
| HA | Hard Copy Text or Drawing | |
| H-A | Hypophysectomized and Adrenalectomized (antiduretic term) | |
| H-A | Hippocampo-Amygdaloid Responses | |
Note: We have 65 other definitions for H-A in our Acronym Attic