HAHHandbrake with Automatic Hold
HAIHealth Action International
HANPPHuman appropriation of netprimary production
HAPPHIV/AIDS Awareness and Prevention Program
HB2Broad sense heritability
HCCIHomogenous Charge Compression Ignition
HCFCHydrochloroflurocarbon
HCLDHeated Chemiluminescent Detector
HCLMHorse-Chestnut Leaf Miner (Cameraria ohridella)
HCSPHistoric Cities Support Programme
HD1. High Definition.
2. Huntingtons disease.
3. Heavy Duty.
HDMHighway Design and Maintenance
HDPEHigh Density Polyethylene
HEATHelp Eliminate Auto Theft
HECHigher Eduction Cooperation
HECVHybrid Electric Commercial Vehicle
HEUIHydraulic / Electronic Unit Injector
HFCVHydrogen Fuel Cell Vehicle
HFFMHarpers Ferry Family Medicine
HFIDHeated Flame Ionisation Detector
HGPRTHypoxanthin guanine phosphoribosyl tranferase
HHDDEHeavy Heavy-Duty Diesel Engine
HHGTTGHitch Hikers Guide To The Galaxy
HHO1/2KHa Ha Only Half Kidding
HIDHigh Intensity Discharge
HIRACHasard Identification Risk Assessment and Control Study
Hist.1. (as label) in History
2. (in titles) History, - ical
3. ( hist. ) - historical
Histol.(as label) in Histology; (in titles) Histology, - ical
HITSCHealth Information Technology Standards Committee
HKCCHong Kong Community College
HKIEDHong Kong Institute of Education
HL7Health Level Seven International
HLDIHighway Loss Data Institute
HMHeard And Mc Donald Islands
HMCEHer Majesty's Customs and Exicise
HMFICHead Mother fucker In Charge
HMIHuman-Machine Interaction
HMIPHer Majesty's Inspectorate Of Pollution (now Environment Agency)
HMIPIHer Majesty's Industrial Pollution Inspectorate
HMNHHarvard Museum of Natural History
HMSHarvard Medical School
HMSOHer Majesty's Stationary Office
HMTHer Majesty's Treasury
HN2Narrow sense heritability
HNISHarmful Non-Indigenous Species
HOCOHighest Occupied Crystal Orbital
HOCSshigher order cognitive skills
HOMPRHang On, Mobile Phones Ringing
HOPESHorizontal Project For Evaluation Of Safety (Drive)
HOUHouston Airport code in Houston, Texas.USA. Houston Hobby Airport.
Househ.(in titles) Household
Housek.(in titles) Housekeeping
HOVONHemato-Oncology Foundation for Adultsin the Netherlands
HP1. Home Page.
2. Horse Power.
HPC1. Head Performance Criterion.
2. Heterotrophic Plate Count (microbiology).
HPFBHealth Products and Food Branch (CanadasFDA)
HPRHorizontal Property Regime
HR1. Croatia (local name: Hrvatska).
2. Human rights.
3. Human Resources.
HRMDHead Restraint Measuring Device
HROBHuman Resources and Organizational Behaviour
HSCHealth And Safety Commission
HSEHealth And Safety Executive
HSPHighly Sensitive Person
HSWAHealth & Safety At Work etc. Act 1974
HSWActHealth And Safety At Work Act
HTHigh Tension (Ignition System)
HTEIHope This Explains It
HTFSIKHow The ****Should I Know
HTMLHyper Text Markup Language
hTNAHigh-throughput Toxin Neautralization Assay
HUMANHemp Users Medical Access Network
HVACHeating, Ventilating and Air-Conditioning
HVCHighest Vulnerability Class
HVEHuman Vehicle Environment
HWIDHazardous Waste Incineration Directive
HWRCHousehold Waste Recycling Centre (For Merly Civic Amenity Site)
HWS(PEST)Husband Wants Sex (Please Excuse Slow Typing)
HWWLTBHe Who Would Like To Be Obeyed