| Acronym | Sense | Language | Topics |
|---|---|---|---|
| GUL | (php)Gtk User Language | In English | → Computer science |
| GUM | Generalized Upper Model | In English | → Programming languages |
| GUPH | Group for the Use of Psychology in History | In English | → Organizations and associations → Psychology → History |
| GUVZS | Glasgow University of Veterinary Zoological Society | In English | → Organizations and associations → Zoology → Veterinary medicine |
| GVL | Ground Vibrations Laboratory | In English | → Research institutes → Acoustics |
| GVSC | Generic VHSIC Spacecraft Computer | In English | → Hardware → Spaceflight engineering, astronautics |
| GVT | Ground Vibration Test | In English | → Acoustics |
| GVTA | Ground Vibration Test Article | In English | → Acoustics |
| GW | Gross Weight | In English | |
| GWA | General Work Area | In English | |
| GWAV | Great Waters Association of Vexillology | In English | → Associations → 9299 |
| GWP | Global Warming Potential | In English | |
| GWT | Ground Winds Tower | In English | |
| GWT | Google Widget Toolkit | In English | → Software → Networks, communication |
| GX | Galaxy Express | In English | → Spaceflight engineering, astronautics |
| H | Hydrogen = H | Hydrogène | In French = H | Waterstof | In Afrikaans = H | هيدروجين | In Arabic = H | Hidróxenu | In Asturian = H | Hidrogen | In Azerbaijani = H | Wassastoff | In Austro-Bavarian = H | Вадарод | In Belarusian = H | Водород | In Bulgarian = H | হাইড্রোজেন | In Bengali = H | Hidrogen | In Breton = H | Vodonik | In Bosnian = H | Hidrogen | In Catalan = H | Idroheno | In Cebuano = H | Idrogenu | In Corsican = H | Vodík | In Czech = H | Водород | In Chuvash = H | Hydrogen | In Welsh = H | Brint | In Danish = H | Wasserstoff | In German = H | Υδρογόνο | In Greek = H | Hidrogeno | In Esperanto = H | Hidrógeno | In Spanish = H | Vesinik | In Estonian = H | Hidrogeno | In Basque = H | هیدروژن | In Persian = H | Vety | In Finnish = H | Hydrogen | In Faroese = H | Idrogjen | In Friulian = H | Hidrigin | In Irish = H | Haidreagain | In Scottish Gaelic = H | Hidróxeno | In Galician = H | હાઈડ્રોજન | In Gujarati = H | מימן | In Hebrew = H | हाइड्रोजन | In Hindi = H | Vodik | In Croatian = H | Idwojèn | In Haitian Creole = H | Hidrogén | In Hungarian = H | Ջրածին | In Armenian = H | Hydrogeno | In Interlingua = H | Hidrogen | In Indonesian = H | Hidrogeno | In Ido = H | Vetni | In Icelandic = H | Idrogeno | In Italian = H | 水素 | In Japanese = H | წყალბადი | In Georgian = H | អ៊ីដ្រូសែន | In Khmer (Cambodian) = H | ಜಲಜನಕ | In Kannada = H | 수소 | In Korean = H | Hîdrojen | In Kurdish = H | Hydrogenium | In Latin = H | Waasserstoff | In Letzeburgesh = H | Waterstof | In Limburgish = H | Idrògen | In Lombard = H | Idrojɛ́ní | In Lingala = H | Vandenilis | In Lithuanian = H | Ūdeņradis | In Latvian = H | Hauwai | In Māori = H | Водород | In Macedonian = H | ഹൈഡ്രജന് | In Malayalam = H | Устөрөгч | In Mongolian = H | हायड्रोजन | In Marathi = H | Hidrogen | In Malay = H | Āyōcoxqui | En Nahuatl = H | Waterstoff | In Low German = H | Waterstof | In Dutch = H | Hydrogen | In Nynorsk = H | Hydrogen | In Norwegian = H | Hidrogene | NOV = H | Idrogèn | In Occitan = H | Hiidrojen | In Norfuk (Pitcairn-Norfo = H | Wodór | In Polish = H | Hidrogénio | In Portuguese = H | Yakuchaq | In Quechua = H | Hidrogen | In Romanian = H | Водород | In Russian = H | हाइड्रोजन | In Sanskrit = H | Idrògginu | In Sicilian = H | Vodik | In Serbo-Croatian = H | Vodík | In Slovak = H | Vodik | In Slovenian = H | Hidrogjeni | In Albanian = H | Водоник | In Serbian = H | Hidrogén | In Sundanese = H | Väte | In Swedish = H | Hidrojeni | In Swahili = H | ஹைட்ரஜன் | In Tamil = H | హైడ్రోజన్ | In Telugu = H | Ҳидроген | In Tajik = H | ไฮโดรเจน | In Thai = H | Idroheno | In Tagalog = H | Hidrojen | In Turkish = H | Водень | In Ukrainian = H | آبگر | UR = H | Vodorod | In Uzbek = H | Hiđrô | In Vietnamese = H | Woaterstof | In Vlaams = H | Idrodjinne | In Walloon = H | 氢 | In Wu Chinese = H | היידראזשן | In Yiddisch = H | 氢 | In Chinese |
In English | → Chemistry |
| H | Histidine = H | Histidin | In Bosnian = H | Histidina | In Catalan = H | Histidin | In Czech = H | Histidin | In German = H | Histidina | In Spanish = H | Histidino | In Esperanto = H | Histidine | In French = H | 히스티딘 | In Korean = H | Histidin | In Croatian = H | Histidin | In Indonesian = H | Istidina | In Italian = H | היסטידין | In Hebrew = H | Histidīns | In Latvian = H | Histidin | In Letzeburgesh = H | Histidinas | In Lithuanian = H | Hisztidin | LU = H | Histidine | In Dutch = H | ヒスチジン | In Japanese = H | Histidin | In Norwegian = H | Histydyna | In Polish = H | Histidina | In Portuguese = H | Гистидин | In Russian = H | Histidiini | In Finnish = H | Histidin | In Swedish = H | Histidin | In Turkish = H | Гістидин | In Ukrainian = H | 組氨酸 | In Chinese |
In English | → Biochemistry, biophysics |
| H-ASIA | H-Net List for Asian History and Culture | In English | → Civilization, culture, progress → Language, linguistics, literature |
| H-MEM | H-Net MidEast-Medieval | In English | |
| H-NEASIA | H-Net Network on Northeast Asian History and Culture | In English | → Civilization, culture, progress → History |
| HA | Higher Authority | In English | |
| HA | Hazard Analysis | In English | |
| HAA | High-Altitude Abort | In English | |
| HAADF | High Angle Annular Dark Field | In English | → Physics |
| HAADS | High-Altitude Attitude Determination System | In English | → Spaceflight engineering, astronautics |
| HAAG | Handbook of Astronomy, Astrophysics and Geophysics | In English | → Serial publications, periodicals → Astronomy → Geophysics |
| HAARS | High-Altitude Attitude Reference System | In English | → Spaceflight engineering, astronautics |
| HAART | Highly Active Antiretroviral Therapy | In English | → Pharmacology, toxicology → Infectious diseases |
| HAAS | High Altitude Aircrafts and Airships | In English | → Aeronautics, aircraft |
| HAB | High-Altitude Burst | In English | |
| HABP | Hypersonic Arbitrary Body Program | In English | → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| HAC | Heading Alignment Cylinder | In English | |
| HAC | Heading Alignment Circle | In English | |
| HAC | Hughes Aircraft Company | In English | → Aeronautics, aircraft |
| HAD | Heat-Actuated Device | In English | |
| HAD | Historical Astronomy Division | In English | → Astronomy → History |
| HAE | Hereditary Angioedema | In English | → Pathology |
| HAFB | Holloman Air Force Base | In English | → 358 → Aeronautics, aircraft |
| HAFB | Hill Air Force Base | In English | → 358 → Aeronautics, aircraft |
| HAG | Historical Archives of Goa | In English | → Libraries → History |
| HAHR | Hispanic American Historical Review | In English | → Serial publications, periodicals → History |
| HAIL | Hmong American Institute for Learning | In English | → Education |
| HAINS | High Accuracy Inertial Navigation System | In English | |
| HAINS | High-Accuracy Inertial Navigation System | In English | → Vehicle engineering |
| HAK | Horizontal Access Kit | In English | |
| HAL | Houston Aerospace Language | In English | → Programming languages |
| HAL | High-order Articulated Language | In English | |
| HAL | High-order Assembly Language | In English | → Programming languages |
| HALO | High-Altitude Large Optics | In English | |
| HALOE | Halogen Occultation Experiment | In English | |
| HalRe | Hale Observatories Reprints | In English | → Serial publications, periodicals → Astronomy |
| HALS | High-order Assembly Language for Shuttle | In English | → Spaceflight engineering, astronautics |
| HALS | High-order Programming Language for Spacelab usage | In English | → Programming languages |
| HALTE | Hologram Authentication Labels Technologies | In English | → Graphic industries, printing, publishing |
| HAM | Hold-and-Modify | In English | → Hardware → Graphical processing |
| HAM | Height Adjustment Maneuver | In English | |
| HAMP | Handling and Moving Procedure | In English | |
| HANE | High-Altitude Nuclear Explosion | In English | → Nuclear technology → Military engineering |
| HAP | Honeywell Array Processor | In English | |
| HAP | Hardware Allocation Panel | In English | → Hardware |
| HAP | High-Speed Arithmetic Processor | In English | → Hardware → Mathematics |
| HAPR | Harvard Asia Pacific Review | In English | → Serial publications, periodicals → Area studies |
| HAR | Hazard Analysis Report | In English | |
| HAR | Hyperacute rejection | In English | → Immunology and allergy → Surgery, orthopaedics, ophthalmology |
| HAR | Hebrew Annual Review | In English | → Serial publications, periodicals → Judaism |
| HAR | Human Accelerated Region(s) | In English | |
| HarAC | Harvard College Observatory Announcement Card | In English | → Serial publications, periodicals → Astronomy |
| HarAR | Harvard College Observatory Annual Report | In English | → Serial publications, periodicals → Astronomy |
| HARC | Houston Advanced Research Center | In English | |
| HarCi | Harvard College Observatory Circular | In English | → Serial publications, periodicals → Astronomy |
| HARIMAU | Hydrometeorological Array for ISV-Monsoon Automonitoring (www.jamstec.go.jp/iorgc/harimau/) | In English | → Meteorology, climatology → Hydrology |
| HarPa | Harvard College Observatory Papers | In English | → Serial publications, periodicals → Astronomy |
| HarRe | Harvard College Observatory Reprints | In English | → Serial publications, periodicals → Astronomy |
| HAS | Hydraulic Actuation System | In English | |
| HAS | High-Altitude Sensor | In English | |
| HAS | Hold-Down Alignment Support | In English | |
| HASC | High-Altitude Surveillance Concept | In English | |
| HAST | High-Altitude Supersonic Target | In English | |
| HAVSOM | Heraldry and Vexilology Society of Malta | In English | → Associations → 9299 |
| HawRe | University of Hawaii Reprints | In English | → Serial publications, periodicals |
| HBB | Horizons in Biochemistry and Biophysics | In English | → Serial publications, periodicals → Biochemistry, biophysics |
| HBBW | Half-Beam Bandwidth | In English | |
| HBGP | Honey Bee Genome Project (www.hgsc.bcm.tmc.edu/projects/honeybee/) = HBGP | Honigbienen-Genomprojekt | In German |
In English | → Genetics |
| HBP | Handbook of Biological Physics | In English | → Serial publications, periodicals → Biochemistry, biophysics |
| HBR | High Bit Rate | In English | |
| HBT | Heflex Bioengineering Test | In English | → Biotechnology |
| HBT | Horizons in Biblical Theology | In English | → Serial publications, periodicals → Religion, theology |
| HBW | Hot Bridge Wire | In English | |
| HC | Hand Control | In English | |
| HC | Head Count | In English | |
| HC | Hybrid Computer | In English | → Hardware |
| HC | Headcount | In English | |
| HCAC | Hindu-Christian Studies Academic Discussion List | In English | → Indian religions → Christianity |
| HCCB | Hardware Configuration Control Board | In English | → Hardware |
| HCCE | Historic Conference Centres of Europe | In English | |
| HCDB | Historical Cost Data Base | In English | → Prices |
| hCEA | Human Carcinoembryonic Antigen | In English | → Biological sciences |
| HCF | High-Cycle Fatigue | In English | |
| HCF | HIM Configuration File | In English | |
| hCG | Human Chorionic Gonadotrophin | In English | → Physiology → Obstetrics |
| HCHy | Hovering Craft and Hydrofoil | In English | → Serial publications, periodicals → Vehicle engineering |
| HCI | Hardness-Critical Item | In English | |
| HCI | Highes Communications, Inc | In English | |
| HCITE | Horizontal Cargo Integration Test Equipment | In English | |
| HCM | Hard-Copy Module | In English | |
| HCM | Highway Capacity Manual | In English | → Transport and postal services |
| HCM | Human Capital Management | In English | → Personnel management |
| HCMC | Ho Chi Minh City | In English | → Geography |
| HCMM | Heat Capacity Mapping Mission | In English | |
| HCNM | High Commissioner on National Minorities (www.osce.org/hcnm/) | In English | → International relations → Fundamental rights |
| HCOPIL | Hague Conference on Private International Law | In English | → Organizations and associations → International law |
| HCP | Hydraulic Circulation Pump | In English | → Mechanical engineering |
| HCR | Handprint Character Recognition | In English | → Writing systems → Computer-based techniques |
| HCR | Human Rights Committee (www.ohchr.org) | In English | → United Nations → Fundamental rights |
| HCRB | Hardware Configuration Review Board | In English | → Hardware |
| HCS | High-Carbon Steel | In English | → Metallurgy |
| HCSHT | High-Carbon Steel Heat-Treated | In English | → Metallurgy |
| HCSL | Hybrid Computation and Simulation Laboratory | In English | → Research institutes → Computer simulation |
| HCSP | Health Care Savings Plan | In English | → Public health and hygiene |
| HCT | Hot Cell Technology | In English | → Nuclear, atomic, and molecular physics → 54458 → Nuclear technology |
| HCU | Hydraulic Charging Unit | In English | → Mechanical engineering |
| HCV | Helium Check Valve | In English | → Mechanical engineering |
| HD | Hydrogen Drain | In English | |
| HD | Harmonization Document | In English | → Standardization |
| HD | Hungtington's Disease | In English | → Neurology |
| HD | Hemidesmosome | In English | |
| HDA | Housekeeping Data Acquisition | In English | |
| HDA | Hardware Disposition Area | In English | → Hardware |
| HDAC | Histone deacetylase | In English | → Genetics → Enzymes |
| HDC | Hasselblad Data Camera | In English | → Arts |
| HDDR | High-Density Digital Recorder | In English | → Data |
| HDI | Human Development Institute | In English | |
| HDI | Human Development Index = IDH | Indice de Développement Humain | In French = IHD | Indico de Homa Disvolviĝo | In Esperanto = IDH | Índex de Desenvolupament Humà | In Catalan |
In English | → Demography, statistics, sociology |
| HDL | High Density Lipoprotein | In English | → Biochemistry, biophysics |
| HDL | Haifa Development Lab | In English | → Computer science |
| HDM | Hard Disk Manager | In English | → Memories → Software |
| HDP | Hold-Down Post | In English | |
| HDR | High Data Rate | In English | → Data |
| HDRA | High-Data-Rate Assembly | In English | → Data |
| HDRI | High Dynamic Range Imaging | In English | → Image processing |
| HDRM | High-Data-Rate Multiplexer | In English | → Data |
| HDRR | High-Data-Rate Recorder | In English | → Data |
| HDRS | High-Data-Rate System | In English | → Data |
| HDRSS | High-Data-Rate Storage System | In English | → Data |
| HDS | Hardware Description Sheet | In English | → Hardware |
| HDS | Hydrogen Disposal System | In English | |
| HDTV | High-Definition Television | In English | → Telecommunications |
| HDTV | High Definition Television | In English | → Telecommunications |
| HDX | Half-Duplex | In English | |
| HE | Hardware Evaluator | In English | → Hardware |
| HE | Human Engineering | In English | |
| HE | Hardware Evaluation | In English | → Hardware |
| HE | Higher Education | In English | → Specialized or (poly)technical colleges → Higher education, universities |
| He | Helium = He | Hélium | In French = He | Helium | In German = He | Гелій | In Belarusian = He | Хелий | In Bulgarian = He | Heli | In Catalan = He | Helijum | In Czech = He | Eliu | In Corsican = He | হিলিয়াম | In Bengali = He | Heliwm | In Welsh = He | Ήλιο | In Greek = He | Helio | In Spanish = He | Heliumo | In Esperanto = He | هيليوم | In Arabic = He | Heelium | In Estonian = He | هلیوم | In Persian = He | הליום | In Hebrew = He | હીલિયમ | In Gujarati = He | Eli | In Friulian = He | Héiliam | In Irish = He | हीलियम | In Hindi = He | Elyòm | In Haitian Creole = He | Հելիում | In Armenian = He | Helín | In Icelandic = He | ヘリウム | In Japanese = He | ჰელიუმი | In Georgian = He | 헬륨 | In Korean = He | Hêlyûm | In Kurdish = He | Haumāmā | In Māori = He | Хелиум | In Macedonian = He | Eliyúmu | In Lingala = He | Éli | In Lombard = He | ഹീലിയം | In Malayalam = He | हेलियम | In Marathi = He | Хелијум | In Serbian = He | Гелий | In Russian = He | Heliu | In Romanian = He | Tōnatiuyoh | En Nahuatl = He | Ilyu | In Quechua = He | ஹீலியம் | In Tamil = He | Гелій | In Ukrainian = He | 氦 | In Chinese = He | Geliy | In Uzbek = He | ฮีเลียม | In Thai |
In English | → Chemistry |
| HEACE | Health Effect of Aircraft Cabin Environment | In English | → Medicine → Aeronautics, aircraft → Transport and postal services |
| HEAD | High Energy Astrophysics Division | In English | → Astronomy |
| HEAL | History and East Asian Languages | In English | → Language, linguistics, literature |
| HEAO | High Energy Astronomical Observatory | In English | → Observatories |
| HEAO | High-Energy Astronomy Observatory | In English | → Observatories |
| HEAP | High-Energy Aimpoint | In English | |
| HeaPh | Health Physics | In English | → Serial publications, periodicals → Medicine |
| HEAS | Harvard East Asia Society | In English | → Organizations and associations → Area studies |
| HECh | High Energy Chemistry | In English | → Serial publications, periodicals → Chemistry |
| HEDI | High Endoatmospheric Defense Interceptor | In English | → Military engineering |
| HEDS | High Endo Designation Sensor | In English | |
| HEDSIM | High Endo Simulation | In English | |
| HEDSIM | High Endoatmospheric Defense System Simulator | In English | → Computer simulation → Military engineering |
| HEDSIM | High Endoatmospheric Event-Based Simulation | In English | → Computer simulation |
| HEFCE | Higher Education Funding Council for England | In English | → Education |
| HEg- | Helium Gauge | In English | |
| HEg-V | Helium Gauge Valve | In English | |
| HEGI | Higher Education General Information | In English | → Education |
| HEJ | Hungarian Electronic Journal of Sciences | In English | → Serial publications, periodicals → Mathematics and natural sciences |
| HEL | High-Energy Laser | In English | → Optics → Electromagnetism |
| HeLa | Henrietta Lacks | In English | |
| HELCUSS | High-Energy Laser Computerized Unmanned Space | In English | → Optics |
| HELF | High-Energy Laser Fluence | In English | → Optics |
| HELLP | Hemolysis, Elevated Liver enzymes and Low Platelet count | In English | → Physiology → Pathology |
| HELM | Hypertextual Electronic Library of Mathematics | In English | → Libraries → Data → Mathematics |
| HelOB | Helwan Institute of Astronomy and Geophysics Bulletins | In English | → Serial publications, periodicals → Astronomy → Geophysics |
| HEM | Hitchhike Experiment Module | In English | |
| HEm-V | Helium Manual Valve | In English | |
| HEMT | High Electron Mobility Transistor | In English | → Electronics |
| HEO | High Earth Orbit | In English | → Astronomy → Spaceflight engineering, astronautics |
| HEO | High-Energy Orbit | In English | → Astronomy → Spaceflight engineering, astronautics |
| HEOO | Honeywell Electro-Optical Operations | In English | → Electrical engineering |
| HEOR | Historical Event Operation Record | In English | → Engineering, technology |
| HEOS | High Endo Designator Sensor | In English | |
| HEPA | High-Efficiency Particle Air | In English | |
| HEPA | High-Efficiency Particle Accumulator | In English | |
| HEPNP | High Energy Physics and Nuclear Physics | In English | → Serial publications, periodicals → Nuclear, atomic, and molecular physics |
| HER | Human Epidermal growth factor Receptor | In English | → Biochemistry, biophysics |
| HER | HIM Equipment Rack | In English | |
| HER | Hydroxyethylrutoside | In English | → Biochemistry, biophysics |
| HERA | Hermes Robotic Arm | In English | |
| HERI | Higher Education Research Institute | In English | → Education |
| HERSCP | Hazardous Exposure Reduction and Safety Criteria Plan | In English | |
| HERT | Headquarters Emergency Relocation Team | In English | |
| HERV | Human Endogenous RetroVirus | In English | → Virology |
| HESC | Hemispheric Energy Steering Committee = CDEH | Comité Directivo para la Energía del Hemisferio | In Spanish = CDEH | Comité Directeur pour l'Énergie dans l'Hémisphère | In French = CDEH | Comitê Diretor para a Energia do Hemisfério | In Portuguese |
In English | → International economic cooperation → Energy economics |
|