| Acronym | Sense | Language | Topics |
|---|---|---|---|
| HTP | Hydroxyl Terminated Propellant | In English | → Astronautics → Chemical technology |
| HTP | Horizontal Tail Plane | In English | → Aeronautics, aircraft → Astronautics |
| HTR | High Temperature Reactor | In English | → Nuclear technology |
| HTrEn | Heat Transfer Engineering | In English | → Serial publications, periodicals → Thermodynamics |
| HTTB | High Technology Test Bed | In English | |
| HUFEB | Hokkaido University Faculty Engineering Bulletin | In English | → Serial publications, periodicals |
| HUFEM | Hokkaido University Faculty Engineering Memoirs | In English | → Serial publications, periodicals |
| HVE | High-Voltage Electronics | In English | → Electronics |
| HVM | Hydraulic Valve Module | In English | → Mechanical engineering |
| HVM | Hypervelocity Missile | In English | → Military engineering |
| HVPS | High-Voltage Power Supply | In English | → Electrical engineering |
| HVSF | Honeywell Verification Simulation Facility | In English | |
| HX | Heat Exchanger | In English | → Electrical engineering |
| HYPACE | Hybrid Programmable Attitude Control Electronics | In English | → Electronics → Astronautics |
| HYSAT | Hybrid Satellite | In English | → Astronautics |
| HYSAT | Hybrid Sensor Experimental Satellite | In English | → Astronautics |
| I+D | Investigación y Desarrollo = R&D | Recherche et développement | In French = F&E | Forschung und Entwicklung | In German = R&D | Research and Development | In English = R&S | Ricerca e Sviluppo | In Italian = P&D | Pesquisa e Desenvolvimento | In Portuguese = O&O | Onderzoek en Ontwikkeling | In Dutch = FoU | Forsøk og Utvikling | In Norwegian |
In Spanish | → Research policy |
| I-SWARM | Intelligent Small World Autonomous Robots for Micromanipulation | In English | → Mechanical engineering |
| IA&A | Ingenieria aeronáutica y astronáutica | In Spanish | → Serial publications, periodicals → Aeronautics, aircraft → Astronautics |
| IAA | International Aerospace Abstracts | In English | → Serial publications, periodicals → Astronomy → Aeronautics, aircraft → Astronautics |
| IAAE | Internacia Agentejo pri Atom-Energio (www.iaea.org) = IAEA | International Atomic Energy Agency | In English = AIEA | Agence Internationale de l'Énergie Atomique | In French = AIEA | Agenţia Internaţională pentru Energie Atomică | In Romanian = МААЕ | Международна агенция за атомна енергия | In Bulgarian = AIEA | Agència Internacional de l'Energia Atòmica | In Catalan = MAAE | Mezinárodní agentura pro atomovou energii | In Czech = IAEA | Det Internationale Atomenergiagentur | In Danish = IAEO | Internationale Atomenergieorganisation | In German = OIEA | Organismo Internacional de Energía Atómica | In Spanish = סבא"א | הסוכנות הבינלאומית לאנרגיה אטומית | In Hebrew = IAEA | International Atomenergie Agence | In Letzeburgesh = AIEA | Agenzia Internazionale per l'Energia Atomica | In Italian = IAEA | अंतर्राष्ट्रीय परमाणु ऊर्जा अधिकरण | In Hindi = MAAE | Меѓународна агенција за атомска енергија | In Macedonian = МАГАТЭ | Международное агентство по атомной энергии | In Russian = AIEA | Agência Internacional de Energia Atómica | In Portuguese = MAEA | Międzynarodowa Agencja Energii Atomowej | In Polish = МАГАТЕ | Міжнародне агентство з атомної енергії | In Ukrainian = UAEA | Uluslararası Atom Enerji Ajansı | In Turkish = IAEA | สำนักงานพลังงานปรมาณูระหว่างประเทศ | In Thai = EANA | Energia Atomikoaren Nazioarteko Agentzia | In Basque |
In Esperanto | → International relations → Energy economics → Nuclear technology |
| IAARC | International Association for Automation and Robotics in Construction (www.iaarc.org) | In English | → Associations → Mechanical engineering → Electronics → Applied sciences, technology |
| IACM | Interrupteur Aérien à Commande Mécanique | In French | → Electrical engineering → Mechanical engineering |
| IACO | Installation, Assembly, and Checkout | In English | |
| IACO | International Aviation COnsulting | In French | → 3592 → Aeronautics, aircraft |
| IACS | Inertial Attitude Control System | In English | → Astronautics |
| IACS | International Annealed Copper Standard | In English | → Standardization → Electrical engineering |
| IadEn | Iadernaia Energiia = IadEN | ядерная энергия | In Russian |
In Russian | → Serial publications, periodicals → Nuclear, atomic, and molecular physics → Nuclear technology |
| IadEN | ядерная энергия = IadEn (look above) |
In Russian | → Serial publications, periodicals → Nuclear, atomic, and molecular physics → Nuclear technology |
| IAEA | International Atomic Energy Agency (www.iaea.org) = IAAE, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In English | → International relations → Energy economics → Nuclear technology |
| IAEA | Det Internationale Atomenergiagentur (www.iaea.org) = IAAE, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Danish | → International relations → Energy economics → Nuclear technology |
| IAEA | International Atomenergie Agence (www.iaea.org) = IAAE, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Letzeburgesh | → International relations → Energy economics → Nuclear technology |
| IAEA | अंतर्राष्ट्रीय परमाणु ऊर्जा अधिकरण (www.iaea.org) = IAAE, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Hindi | → International relations → Energy economics → Nuclear technology |
| IAEA | สำนักงานพลังงานปรมาณูระหว่างประเทศ (www.iaea.org) = IAAE, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Thai | → International relations → Energy economics → Nuclear technology |
| IAEO | Internationale Atomenergieorganisation (www.iaea.org) = IAAE, IAEA, AIEA, МААЕ, MAAE, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In German | → International relations → Energy economics → Nuclear technology |
| IAESM | IEEE (Institute of Electrical and Electronics Engineers) Aerospace Electronic Systems Magazine | In English | → Serial publications, periodicals → Electronics → Astronautics |
| IAF | International Astronautical Federation | In English | → Organizations and associations → Astronautics |
| IAHR | International Association of Hydraulic Engineering and Research | In English | → Associations → Environmental technology, water supply, waste management |
| IAHS | International Association of Hydraulical Sciences | In English | → Associations → Environmental technology, water supply, waste management |
| IAIN | International Association of the Navigation Institutes | In English | → Associations → Geodesy, cartography → Vehicle engineering |
| IALANA | International Association of Lawyers Against Nuclear Arms | In English | → Associations → Law, jurisprudence → Nuclear technology → Applied sciences, technology |
| IAM | International Association of Machinists | In English | → Associations → Mechanical engineering |
| IANT | International Advances in Nondestructive Testing | In English | → Serial publications, periodicals |
| IAO | Ingénierie Assistée par Ordinateur | In French | → Computer-based techniques |
| IAP | Institut Algérien du Pétrole (www.iap.dz) | In French | → Specialized or polytechnical colleges → Mining → 665 → Algeria |
| IAPU | Improved Auxiliary Power Unit | In English | → Electrical engineering |
| IARC | International Aerial Robotics Competition | In English | → Electronics → Aeronautics, aircraft |
| IAS | Institute of Aeronautical Sciences | In English | → Aeronautics, aircraft |
| IAS | Integrated Avionics Subsystem | In English | → Aeronautics, aircraft |
| IAT | Integrated Avionics Test | In English | → Aeronautics, aircraft |
| IAT | Interrupteur Aérien Télécommandé | In French | → Electrical engineering |
| IBEW | International Brotherhood of Electrical Workers | In English | → Organizations and associations → Electrical engineering |
| IBGE | Institut Bruxellois pour la Gestion de l'Environnement | In French | → Regional administration → Environmental protection → Environmental technology, water supply, waste management |
| IBIS | Input/Output Buffer Information Specification | In English | → Data → Computer simulation → Electronics |
| IBM | Intercontinental Ballistic Missile | In English | → Military engineering → Astronautics |
| IC | Internal Combustion | In English | → Mechanical engineering |
| IC | Integrated Circuit | In English | → Electronics |
| ICA | Ingénieur du Contrôle Aérien | In French | → Aeronautics, aircraft → Transport and postal services |
| ICAE | Integrated Computer-Aided Engineering | In English | → Serial publications, periodicals → Computer-based techniques |
| ICAITI | Instituto Centroamericano de Investigación y Tecnología | In Spanish | → Research institutes → Research policy |
| ICAM | Institut Catholique d'Arts et Métiers | In French | → Roman catholic church → Specialized or polytechnical colleges |
| ICAM | Integrated Computer-Aided Manufacturing | In English | → Computer-based techniques |
| ICAO | International Civil Aviation Organization = IOCA | Internacia Organizo pri Civila Aviado | In Esperanto |
In English | → Organizations and associations → Aeronautics, aircraft → Transport and postal services |
| ICAOB | ICAO Bulletin (International Civil Aviation Organization) | In English | → Serial publications, periodicals → Aeronautics, aircraft → Transport and postal services |
| ICAPC | Increased-Capability Adaptive Payload Carrier | In English | → Astronautics |
| ICAR | Incubateur de Champagne-Ardenne (www.icar-incubateur.fr) | In French | → France |
| ICARE | Instrumentation, Commande et Architecture des Robots Évolués | In French | → Electronics |
| ICB | International Centre of Biocybernetics | In English | → Research institutes → Computer science → Electronics |
| ICBM | Intercontinental Ballistic Missile | In English | → Military engineering |
| ICC | Integrated Circuit(s) Cards | In English | → Electronics |
| ICC | Integrated Circuit Card | In English | → Electronics |
| ICE | Ideal Cabin Environment | In English | → Aeronautics, aircraft |
| ICE | Intercity Express | In English | → Rail transport engineering → Transport and postal services |
| ICF | Insulating Concrete Form | In English | → Construction → Materials science |
| ICFS | Indemnité Compensatoire de Frais Spéciaux | In French | → Finance → Labour, labour economics → Electrical engineering |
| ICG | In-Flight Coverall Garment | In English | → Aeronautics, aircraft → Astronautics |
| ICG | International Committee on GNSS (Global Navigation Satellite Systems) | In English | → Organizations and associations → Astronautics |
| ICG | International Communications Group (www.icg.aero) | In English | → Telecommunications → Astronautics |
| ICID | International Commission on Irrigation and Drainage | In English | → Organizations and associations → Agricultural sciences → Environmental technology, water supply, waste management |
| ICID | International Commission for Irrigation and Drainage = CIID | Commission Internationale pour les Irrigations et le Drainage | In French |
In English | → Organizations and associations → 627 → Agricultural sciences |
| ICiSM | IEEE (Institute of Electrical and Electronics Engineers) Circuits Systems Magazine | In English | → Serial publications, periodicals → Electronics |
| ICMAB | Instituto de Ciencia de Materiales de Barcelona (www.icmab.es) | In Spanish | → Research institutes → Materials science → Spain |
| ICMI | Inductive Components Manufacturing Inc. (www.icmiinc.com) | In English | → Electrical engineering |
| ICMS | Ingénierie et Contrôle des Matériaux et des Structures | In French | → Materials science → Mechanical engineering |
| ICOLD | International Commission on Large Dams (www.icold-cigb.org) | In English | → Organizations and associations → 627 |
| ICOMP | Institute for Computational Mechanics in Propulsion | In English | → Research institutes → Mechanical engineering → Computer simulation → Vehicle engineering |
| ICOUR | Irrigation Company for the Upper Regions | In English | → 627 → Agricultural sciences |
| ICPDR | International Commission for the Protection of the Danube River | In English | → Organizations and associations → 5023 → 627 |
| ICPS | International Conference on the Physics of Semiconductors | In English | → Congresses → Electricity, magnetism, electromagnetism → 539 → Electrical engineering |
| ICR | Inductance, Capacitance, and Resistance | In English | → Physics → Electrical engineering |
| ICRP | International Commission on Radiological Protection | In English | → Nuclear technology |
| ICRU | International Commission on Radiation Units and Measurements = CIUMR | Comisión Internacional de Unidades y Medidas Radiológicas | In Spanish = CIUMR | Commission Internationale des Unités et des Mesures de Radiation | In French = CIUMR | Comissão Internacional de Unidades e Medidas Radiação | In Portuguese |
In English | → Standardization → Nuclear technology |
| ICS | Intelligent Control Systems | In English | |
| ICSE | Impact of Computing in Science and Engineering | In English | → Serial publications, periodicals → Computer science → Mathematics and natural sciences |
| ICSTI | International Council for Scientific and Technical Information | In English | → Libraries → Mathematics and natural sciences |
| ICTAF | Interdisciplinary Center for Technology Analysis & Forecasting | In English | |
| ICTAF | Interdisciplinary Center for Technological Analysis & Forecast | In English | → Energy economics |
| IDA | Integrated Display Assembly | In English | → Human-computer interaction → Electronics |
| IDA | Irrigation Development Authority | In English | → 627 → Agricultural sciences |
| IDA | International Desalination Association | In English | → Associations → Environmental technology, water supply, waste management |
| IDAE | Instituto para la Diversificación y Ahorro de la Energía | In Spanish | → Energy economics |
| IDB | In-Suit Drink Bag | In English | → Astronautics → Beverage industry |
| IDEA | Inventer la Distribution Électrique de l'Avenir | In French | → Electrical engineering |
| IDEAS2 | Independent Design and Evaluation of Advanced Spacecraft | In English | → Astronautics → 6585 |
| IDITE | Instituto de Desenvolvimento e Inocaçao Tecnológica | In Portuguese | |
| IDM | Internationale Deutsche Motorradmeisterschaft | In German | → Vehicle engineering |
| IDN | Institut Industriel du Nord | In French | → Specialized or polytechnical colleges |
| IDS | Integrated Defense Simulator | In English | → Military engineering |
| IDSNET | Integrated Defense Simulator Network | In English | → Military engineering → Networks, communication |
| IDSNET | Integrated Defense System Network | In English | → Military affairs → Military engineering → Networks, communication |
| IDsW | InformatieDesk standaarden Water | In Dutch | → Environmental technology, water supply, waste management |
| IDTA | Interdivisional Technical Agreement | In English | |
| IE | Ion-Etching | In English | |
| IEA | Integrated Electronic Assembly | In English | → Electronics |
| IEA | International Energy Agency = AIE | Agence Internationale de l'Énergie | In French = IEA | Internationale Energieagentur | In German = МЭА | Международное энергетическое агентство | In Russian = MAE | Międzynarodowa Agencja Energii[edytuj] | In Polish = IEA | Internationaal Energie Agentschap | In Dutch = IEA | 国際エネルギー機関 | In Japanese = AIE | Agencia Internacional de la Energía | In Spanish |
In English | → International relations → Energy economics |
| IEA | Internationale Energieagentur = AIE, МЭА, MAE (look above) |
In German | → International relations → Energy economics |
| IEA | Internationaal Energie Agentschap = AIE, МЭА, MAE (look above) |
In Dutch | → International relations → Energy economics |
| IEA | 国際エネルギー機関 = AIE, МЭА, MAE (look above) |
In Japanese | → International relations → Energy economics |
| IEA | Ingénieur de l'Électronique Aéronautique | In French | → Electronics → Aeronautics, aircraft |
| IEC | International Electrotechnical Commission = CEI | Comisión Electrotécnica Internacional | In Spanish = CEI | Commission Électrotechnique Internationale | In French = CEI | Comissão Eletrotécnica Internacional | In Portuguese |
In English | → Electrical engineering |
| IECCAB | IEC (International Electrotechnical Commission) Conformity Assessment Board | In English | → Electrical engineering |
| IECO | Inboard Engine Cutoff | In English | → Mechanical engineering |
| IED | Innovation Énergie Développement | In French | → Energy economics |
| IEDL | IEEE (Institute of Electrical and Electronics Engineers) Electron Device Letters | In English | → Serial publications, periodicals → Electronics |
| IEE | Intelligente Energie Europa = IEE | Intelligent Energy Europe | In English |
In German | → Energy economics |
| IEE | Intelligent Energy Europe = (look above) |
In English | → Energy economics |
| IEE | Institut für Elektrische Energietechnik | In German | → Electrical engineering |
| IEE | International Electronics & Engineering | In English | → Electronics |
| IEE | Institut für Grundlagen der Elektrotechnik und Elektronik | In German | → Electrical engineering → Electronics |
| IEE | Institution of Electrical Engineers | In English | → Electrical engineering |
| IEEE | Institute of Electrical and Electronic(s) Engineers | In English | → Electrical engineering → Electronics |
| IEEEP | IEEE (Institute of Electrical and Electronics Engineers) Proceedings | In English | → Serial publications, periodicals → Electrical engineering |
| IEEES | IEEE (Institute of Electrical and Electronics Engineers) Spectrum | In English | → Serial publications, periodicals → Electrical engineering |
| IEEP | Institution of Electrical Engineers Proceedings | In English | → Serial publications, periodicals → Electrical engineering |
| IEF | International Energy Foundation | In English | → Foundations → Energy economics |
| IEG | Industrie Électrique et Gazière | In French | → Electrical engineering → Energy economics |
| IEKA | Internacia Esperanto-Klubo Aŭtomobilista | In Esperanto | → Organizations and associations → Vehicle engineering → Transport and postal services → Artificial languages (linguistics) |
| IEMC | Intrasystem Electromagnetic Compatibility | In English | → Electrical engineering |
| IEMCAP | Intrasystem Electromagnetic Compatibility Computer Analysis Program | In English | → Computer-based techniques → Electrical engineering |
| IEMN | Institut d'Électronique et de Microélectronique du Nord | In French | → Electronics |
| IEMN | ÉInstitut d'Électronique, de Microélectronique et de Nanotechnologie | In French | → Electronics |
| IEMW | Institut für Industrielle Elektronik und Materialwissenschaften (www.iemw.tuwien.ac.at) | In German | → Research institutes → Materials science → Electronics → Austria |
| IER | Institute of Energy Economics and the Rational Use of Energy | In English | → Energy economics |
| IER | Internationale Elektronische Rundschau | In German | → Serial publications, periodicals → Electronics |
| IEREJ | Institution of Electronic Radio Engineers Journal | In English | → Serial publications, periodicals → Electronics → Telecommunications |
| IESD | Instrumentation and Electronic Systems Division | In English | → Electronics |
| IESD | Institute of Energy and Sustainable Development | In English | → Energy economics |
| IESNA | Illuminating Engineering Society of North America (www.iesna.org) | In English | → Organizations and associations → Electrical engineering → United States |
| IET | Institut Européen de Technologie | In French | |
| IET | International Emissions Trading | In English | → Environmental technology, water supply, waste management |
| IET | Institution of Engineering and Technology | In English | |
| IETCC | Instituto Eduardo Torroja de Ciencias de Construcción | In Spanish | → Civil engineering → Construction |
| IETDL | IET (Institution of Engineering and Technology) Digital Library | In English | → Libraries |
| IETE | Institution of Electronics Telecommunication Engineers | In English | → Serial publications, periodicals → Electronics → Telecommunications |
| İETT | İstanbul Elektrik Tramvay ve Tünel | In Turkish | → Electrical engineering → Transport and postal services |
| IExp | IEEE (Institute of Electrical and Electronics Engineers) Expert | In English | → Serial publications, periodicals → Electrical engineering |
| IF | Integration Facility | In English | |
| IFA | In-Flight Analysis | In English | → Aeronautics, aircraft → Astronautics |
| IFE | Industrial Furnished Equipment | In English | |
| IFEF | Internacia Fervojista Esperanto Federacio | In Esperanto | → Organizations and associations → Rail transport engineering → Transport and postal services → Artificial languages (linguistics) |
| IFEU | Institut für Energie und Umweltforschung | In German | → Energy economics |
| IFFI | Institut Français du Froid Industriel et du génie climatique (http://iffi.cnam.fr) | In French | → Energy economics → Environmental technology, water supply, waste management → France |
| IFFN | Identification, Friend, Foe, Neutral | In English | → Military engineering |
| IFIN-HH | Institutul Naţional de Cercetare-Dezvoltare pentru Fizică şi Inginerie Nucleară 'Horia Hulubei' | In Romanian | → Nuclear, atomic, and molecular physics → Nuclear technology |
| IFM | Integrated Flood Management | In English | → Natural disasters → 627 |
| IFM | Internationales Forum Mechatronik | In German | → Mechanical engineering → Electronics |
| IFM | In-Flight Maintenance | In English | → Maintenance and logistics → Astronautics → Astronautics |
| IFMA | Institut Français de Mécanique Avancée (www.ifma.fr) | In French | → Specialized or polytechnical colleges → Mechanical engineering → France |
| IFOT | In-Flight Operations and Training | In English | → Education → Aeronautics, aircraft → Astronautics |
| IFP | Institut Français du Pétrole (www.ifp.fr) | In French | → Research institutes → Earth sciences → Mining → 665 → France |
| IFR | Instrument Flight Rules | In English | → Aeronautics, aircraft → Transport and postal services |
| IFR | International Federation of Robotics (www.ifre.com) | In English | → Organizations and associations → Mechanical engineering → Electronics |
| IFRU | In-Flight Replaceable Unit | In English | → Aeronautics, aircraft |
| IFS | Integrated Flight Simulator | In English | → Aeronautics, aircraft → Astronautics |
| IFT | Institut Facultaire de Technologie | In French | → Specialized or polytechnical colleges |
| IFT | In-Flight Test | In English | → Aeronautics, aircraft → Astronautics |
| IFT | Institutul Naţional de Cercetare-Dezvoltare pentru Fizică Tehnică | In Romanian | → Physics → Mechanical engineering |
| IFTM | In-Flight Test and Maintenance | In English | → Aeronautics, aircraft → Astronautics |
| IFTS | In-Flight Test System | In English | → Aeronautics, aircraft → Astronautics |
| IFTSTP | Institut de Formation des Techniciens Spécialisés des Travaux Publics | In French | → Specialized or polytechnical colleges → Civil engineering → Civil engineering and land transport |
| IFZh | Inzhenerno-Fizicheskii Zhurnal = IFZh | Инженерно-физический журнал | In Russian |
In Russian | → Serial publications, periodicals → Mechanical engineering → Thermodynamics |
| IFZh | Инженерно-физический журнал = (look above) |
In Russian | → Serial publications, periodicals → Mechanical engineering → Thermodynamics |
| IG | Inertial Guidance | In English | → Vehicle engineering |
| IG | Inner Gimbal | In English | → Astronautics |
| IGA | Inner Gimbal Angle | In English | → Astronautics |
| IGAX | Inner Gimbal Axis | In English | → Astronautics |
| IGBT | Insulated Gate Bipolar Transistor | In English | → Electronics |
| IGF | Industrielle Gemeinschaftsforschung | In German | → Research policy |
| IGM | Interactive Guidance Mode | In English | → Vehicle engineering |
| IGM | Iterative Guidance Mode | In English | → Vehicle engineering |
| IGMHB | Institut de Génie Mécanique - Université des Sciences et de la Technologie Haouari Boumediene | In French | → Higher education, universities → Mechanical engineering |
| IGOS | Interactive Graphic Orbit System | In English | → Astronautics |
| IGS | Inertial Guidance System | In English | → Vehicle engineering |
| IGS | Intergimbal Assembly | In English | → Astronautics |
| IGSE | In-Space Ground Support Equipment | In English | → Astronautics |
| IGSN | Inspection Générale pour la Sûreté Nucléaire | In French | → Central administration → Nuclear technology |
| IGU | International Gas Union | In English | → Organizations and associations → Energy economics |
| IHERv | Ishikawajima Harima Engineering Review | In English | → Serial publications, periodicals |
| IHEST | Institut des Hautes Études pour la Science et la Technologie | In French | → Mathematics and natural sciences |
| IHP | Indicated Horsepower | In English | → Mechanical engineering |