| FDA | Food and Drug Administration (www.fda.gov) | In English | → Central administration → Pharmacology, toxicology → Food technology |
| FDLI | Food & Drug Law Institute (www.fdli.org) | In English | → Research institutes → Law, jurisprudence → Pharmacology, toxicology → Food technology |
| FDQ | Food and Drink Qualifications | In English | → Quality management → Beverage industry → Food technology |
| FEDA | Foodservice Equipment Distributors Association | In English | → Associations → Food technology |
| FEP | Fluorinated Ethylene-Propylene | In English | → Chemistry |
| Fer | Ferroelectrics | In English | → Serial publications, periodicals → Electrical engineering → Metallurgy |
| FerLS | Ferroelectrics Letters Section | In English | → Serial publications, periodicals → Electrical engineering → Metallurgy |
| FFTB | Fédération Française des Tuiles et Briques | In French | → Organizations and associations → 666 |
| FICMES | Foundry Institution of Chinese Mechanical Engineering Society | In English | → Mechanical engineering → Metallurgy |
| FIDA | Federazione Italina Distribuzione Alimentare | In Italian | → Organizations and associations → Food technology |
| FIPPA | Federazione Italiana Panificatori, Panificatori-Pasticceri ed Affini | In Italian | → Organizations and associations → Food technology |
| FIRS | Fonds d'Intervention et de Régulation du marché du Sucre | In French | → Food technology |
| FITEQA | Federación de Industrias Textil-Piel, Químicas y Afines | In Spanish | → Organizations and associations → Labour, labour economics → Textile industry |
| FizMM | Fizika Metallov i Metallovedenie = FizMM | Физика металлов и металловедение | In Russian |
In Russian | → Serial publications, periodicals → 531 → 539 → Metallurgy |
| FizMM | Физика металлов и металловедение = (look above) |
In Russian | → Serial publications, periodicals → 531 → 539 → Metallurgy |
| FM | Federación Minerometalúrgica | In Spanish | → Organizations and associations → Labour, labour economics → Metallurgy |
| FMS | Food Management Subsystem | In English | → Food technology |
| FNB | Fédération Nationale des Boissons | In French | → Organizations and associations → Beverage industry |
| FNCPLA | Fédération Nationale du Commerce des Produits Laitiers et Avicoles | In French | → Organizations and associations → Food technology |
| FNICGV | Fédération Nationale de l’Industrie et des Commerces en Gros des Viandes | In French | → Organizations and associations → Food technology |
| FSH | Fonds de Soutien aux Hydrocarbures | In French | → Public finance |
| FWWM | Food, Water, and Waste Management | In English | → Environmental technology, water supply, waste management → Food technology |
| FWWMS | Food, Water, and Waste Management Subsystem | In English | → Environmental technology, water supply, waste management → Food technology |
| GCh | Génie Chimique | In French | |
| GDA | Gesamtverband der Aluminiumindustrie | In German | → Organizations and associations → Metallurgy |
| GEMPPM | Groupe d'Études de Métallurgie Physique et de Physique des Matériaux | In French | → Research institutes → Physics → Metallurgy |
| GEP | Génie Électrique et des Procédés | In French | → Electrical engineering |
| GFC | Groupe Français de la Céramique | In French | → Organizations and associations → 666 |
| GFMS | Georgian Foundrymen and Material Scientists Society | In English | → Organizations and associations → Metallurgy |
| GFRP | Glass-Fiber-Reinforced Plastic | In English | |
| GFRP | Graphite-Fiber-Reinforced Plastic | In English | |
| GI | Glykämischer Index = GI | Glycemic Index | In English = GI | Glykemický index | In Czech = GI | Glykæmisk indeks | In Danish = GI | Glükeemiline indeks | In Estonian = GI | Glykeeminen indeksi | In Finnish = IG | Índice glicêmico | In Portuguese = ГИ | Гликемијски индекс | In Serbian = GI | Glisemik indeks | In Turkish |
In German | → Nutrition → Food technology |
| GI | Glisemik indeks = IG, ГИ (look above) |
In Turkish | → Nutrition → Food technology |
| GI | Glykeeminen indeksi = IG, ГИ (look above) |
In Finnish | → Nutrition → Food technology |
| GI | Galvanized Iron | In English | → Metallurgy |
| GI | Glykemický index = IG, ГИ (look above) |
In Czech | → Nutrition → Food technology |
| GI | Glykæmisk indeks = IG, ГИ (look above) |
In Danish | → Nutrition → Food technology |
| GI | Glycemic Index = IG, ГИ (look above) |
In English | → Nutrition → Food technology |
| GI | Glükeemiline indeks = IG, ГИ (look above) |
In Estonian | → Nutrition → Food technology |
| GLFA | Groupement des Lamineurs et Fileurs d'Aluminium | In French | → Organizations and associations → Metallurgy |
| GMAW | Gas Metal Arc Welding | In English | → Metallurgy |
| GNL | Gaz Naturel Liquefié | In French | → Energy economics |
| GÖCH | Gesellschaft Österreichischer Chemiker | In German | → Organizations and associations → Chemistry |
| GPL | Gaz Pétrole Liquéfié | In French | → Energy economics |
| GPL | Gaz de Pétrole Liquéfié | In French | → Vehicle engineering → 665 |
| GVS | Gießerei-Verband der Schweiz | In German | → Metallurgy |
| HCFC | Hydrochlorofluorocarbone | In French | → Chemistry |
| HCS | High-Carbon Steel | In English | → Metallurgy |
| HCSHT | High-Carbon Steel Heat-Treated | In English | → Metallurgy |
| HF | Hydrogen Fluoride | In English | → Chemistry → Chemicals |
| HF/DF | Hydrogen Fluoride/Deuterium Fluoride | In English | → Chemistry |
| HGc-Dt-E | Mercury-Cadmium-Telluride | In English | → Chemistry |
| HOBt | Hydroxybenzotriazole | In English | → Chemistry → Chemicals |
| HS | Hydrogen Sulfide | In English | → Chemistry |
| HSS | High Speed Steel | In English | → Metallurgy |
| HTC | High-Temperature Carbon | In English | |
| HTH | High-Test Hypochlorite | In English | → Chemicals |
| HTP | Hydroxyl Terminated Propellant | In English | → Spaceflight engineering, astronautics |
| HTPB | Hydroxyl Terminator Polybutadiene | In English | → Physics |
| HTPB | Hydroxyl Terminated Polybutylene | In English | → Physics |
| IAA | Industries Agricoles et Alimentaires | In French | → Agricultural sciences → Beverage industry → Food technology |
| IAP | Institut Algérien du Pétrole | In French | → Specialized or (poly)technical colleges → Mining → 665 |
| ICA | Institut de Chimie de Annaba | In French | → Specialized or (poly)technical colleges → Chemistry |
| ICCF | Institutul Naţional de Cercetare-Dezvoltare Chimico-Farmaceutică | In Romanian | → Chemistry → Pharmacology, toxicology |
| ICME | Institute of Cast Metals Engineers | In English | → Metallurgy |
| ICP | Instituto de Catálisis y Petroleoquímica | In Spanish | → 665 |
| IDB | In-Suit Drink Bag | In English | → Spaceflight engineering, astronautics → Beverage industry |
| IDF | International Dairy Federation | In English | → Organizations and associations → Agricultural sciences → Food technology |
| IFIC | International Food Information Council | In English | → Organizations and associations → Nutrition → Food technology |
| IFP | Institut Français du Pétrole | In French | → Research institutes → Earth sciences → Mining → 665 |
| IFR | Institute of Food Research | In English | → Research institutes → Agricultural sciences → Food technology |
| IFT | Institute of Food Technologists | In English | → Research institutes → Food technology |
| IG | Índice glicêmico = GI, ГИ (look above) |
In Portuguese | → Nutrition → Food technology |
| IGDS | Iodine Generating and Dispensing System | In English | |
| IJPM | International Journal of Polymeric Materials | In English | → Serial publications, periodicals → Chemistry |
| ILC | International Latex Company | In English | |
| IMeRv | International Metals Reviews | In English | → Serial publications, periodicals → Metallurgy |
| IMF | Impianti Macchine Fonderia | In Italian | → Metallurgy |
| IMN | Instytut Metali Nieżelaznych (www.imn.gliwice.pl) | In Polish | → Research institutes → Metallurgy |
| INAF | Institut des Nutraceutiques et des Aliments Fonctionnels | In French | → Nutrition → Agricultural sciences → Beverage industry → Food technology |
| INCOPA | Inorganic Coagulants Producers Association (www.incopa.org) | In English | → Associations → Chemicals |
| INHC | Institut National des Hydrocarbures et Chimie | In French | → Specialized or (poly)technical colleges → Chemistry |
| INIA | Institut National des Industries Alimentaires | In French | → Specialized or (poly)technical colleges → Beverage industry → Food technology |
| IPA | India Pale Ale | In English | → Beverage industry |
| IPC | Iraq Petroleum Company | In English | → 665 |
| IPCF | Istituto per i Processi Chimico-Fisici | In Italian | → Chemistry |
| IPCUP | Institutul Naţional de Cercetare-Dezvoltare pentru Utilaj Petrolier | In Romanian | → 665 |
| ISCN | Institut de Chimie des Substances Naturelles | In French | → Chemistry |
| ISTCS | Institut Supérieur de Technologie Chimique de Sofia | In French | → Specialized or (poly)technical colleges |
| ITECH | Institut Textile et Chimique | In French | → Specialized or (poly)technical colleges → Leather industry → Textile industry |
| ITQB | Instituto de Tecnologia Química e Biológica | In Portuguese | → Research institutes → Biological sciences |
| IUPAC | International Union of Pure and Applied Chemistry | In English | → Organizations and associations → Chemistry |
| IUPAK | Internacia Unio pri Pura kaj Aplika Kemio |
In Esperanto | → Organizations and associations → Chemistry |
| JaIMJ | Japan Institute of Metals Journal | In English | → Serial publications, periodicals → Metallurgy |
| JAllC | Journal of Alloys and Compounds | In English | → Serial publications, periodicals → Metallurgy |
| JApEl | Journal of Applied Electrochemistry | In English | → Serial publications, periodicals |
| JApMw | Journal of Applied Metalworking | In English | → Serial publications, periodicals → Metallurgy |
| JCSS | Journal of the Chinese Silicate Society | In English | → Serial publications, periodicals |
| JDR | Journal of Dairy Research | In English | → Serial publications, periodicals → Beverage industry → Food technology |
| JElec | Journal of Electroceramics | In English | → Serial publications, periodicals |
| JLCM | Journal of Less Common Metals | In English | → Serial publications, periodicals → Chemistry → Metallurgy |
| JMet | Journal of Metals | In English | → Serial publications, periodicals → Chemistry → Metallurgy |
| JOGMEC | Japan Oil, Gas and Metals National Corporation | In English | → Earth sciences |
| JRPC | Journal of Reinforced Plastics and Composites | In English | → Serial publications, periodicals |
| JThCM | Journal of Thermoplastic Composite Materials | In English | → Serial publications, periodicals |
| KIM | Korean Institute of Metals and Materials (www.kim.or.kr) | In English | → 620 → Metallurgy |
| KIMMJ | Korean Institute of Metals and Materials Journal | In English | → Serial publications, periodicals → 620 → Metallurgy |
| LBMA | London Bullion Market Association | In English | → Associations → Financial markets → Metallurgy |
| LFCC | Laboratoire Franco-Chinois sur la Catalyse | In French | → Research institutes → Chemistry |
| LME | London Metal Exchange | In English | → Financial markets → Metallurgy |
| LPCI | Laboratoire de Physico-Chimie Industrielle | In French | → Research institutes |
| LSGC | Laboratoire des Sciences du Génie Chimique | In French | → Research institutes → Chemistry |
| LTPS | Low-Temperature Polycrystalline Silicon | In English | → Metallurgy |
| LU | Lefèvre Utile | In French | → Food technology |
| LVA | Lebensmittelversuchsanstalt | In German | → Beverage industry → Food technology |
| MAFF | Ministry of Agriculture, Food and Fisheries | In English | → Central administration → Agricultural sciences → Fishing, hunting → Food technology |
| MALC | Metal Articles Liaison Committee | In English | → Organizations and associations → Metallurgy |
| MAPCM | Molecular Alloys Phase Change Material | In English | |
| MCT | Mercury, Cadmium, Telluride | In English | → Metallurgy |
| ME | Metallurgical Engineer | In English | → Metallurgy |
| MEDRC | Middle East Desalination Research Center (www.medrc.org) | In English | → Research institutes → Environmental technology, water supply, waste management |
| MEK | Methylethyl Ketone | In English | |
| MeSRM | Mémoires Scientifiques de la Revue de Métallurgie | In French | → Serial publications, periodicals → Metallurgy |
| MFD | Metal Friction Device | In English | → Metallurgy |
| MFOA | Mercado de Futuros del Aceite de Oliva (www.mfao.es) | In Spanish | → Food technology |
| MFPA | Manitoba Food Processors Association | In English | → Associations → Food technology |
| MHP | Methylphenidate | In English | |
| MI | Malleable Iron | In English | → Metallurgy |
| MLR | Monodisperse Latex Reactor | In English | |
| MMA | Methyl Methacrylat | In English | → Chemistry |
| MMC | Metal Matrix Composite | In English | → Metallurgy |
| MMH | Monomethylhydrazine | In English | |
| MOFA | Ministry of Food and Agriculture | In English | → Central administration → Agricultural sciences → Food technology |
| MPLS | Multi Protocol Label Switching | In English | → Networks, communication → Food technology |
| MSR | Groupe Métallurgie Structure Rhéologie | In French | → Metallurgy |
| MVL | Meijerialan Ammattilaiset | In Finnish | → Organizations and associations → Labour, labour economics → Beverage industry → Food technology |
| MVO | Margarine, Vetten en Oliën (www.mvo.nl) | In Dutch | → Food technology |
| NCBA | National Cattlemen's Beef Association (www.beef.org) | In English | → Associations → Agricultural sciences → Food technology |
| NCIMB | National Collections of Industrial, Marine and Food Bacteria (www.ncimb.com) | In English | → Biological sciences → Food technology |
| NMTA | National Metal Trades Association | In English | → Associations → Trade → Metallurgy |
| OAPEC | Organization of Arab Petroleum Exporting Countries | In English | → Organizations and associations → Trade → 665 |
| OCP | Office Chérifien des Phosphates = م ش ف | مجموعة المكتب الشريف للفوسفاط | In Arabic |
In French | → Mining |
| OCQ | Ordre des Chimistes du Québec | In French | → Organizations and associations → Chemistry |
| OFP | Omnium Français des Pétroles | In French | → 665 |
| ÖGI | Österreichisches Getränke-Institut | In German | → Research institutes → Beverage industry |
| ÖGI | Österreichisches Gießerei-Institut | In German | → Research institutes → Metallurgy |
| OIP | Omnium International des Pétroles | In French | → 665 |
| OIV | Organisation Internationale de la Vigne et du Vin | In French | → Organizations and associations → Agricultural sciences → Beverage industry |
| OML | Oddział Metali Lekkich | In Polish | → Research institutes → Metallurgy |
| OML | Outer Mold Line | In English | → Metallurgy |
| ONA | Organizo por Nutrado kaj Agrikulturo = FAO | Food and Agriculture Organization | In English |
In Esperanto | → International relations → Agricultural sciences → Food technology |
| OPEC | Organization of Petroleum Exporting Countries = OPEC | Organization of the Petroleum Exporting Countries | In English = OPEP | Organisation des Pays Exportateurs de Pétrole | In French = OPEL | Organizaĵo de Petrol-Eksportaj Landoj | In Esperanto = OPEP | Organização dos Países Exportadores de Petróleo | In Portuguese = OPEP | Organización de Países Esportadores de Petroleu | In Asturian = OPEP | Organización de Países Exportadores de Petróleo | In Spanish = OPEP | Organització de Països Exportadors de Petroli | In Catalan = ОПЕК | Организација на земји извознички на нафта и нафтени деривати | In Macedonian |
In English | → Organizations and associations → Mining → 665 |
| OPEC | Organization of the Petroleum Exporting Countries = OPEP, OPEL, ОПЕК (look above) |
In English | → Organizations and associations → Mining → 665 |
| OPEL | Organizaĵo de Petrol-Eksportaj Landoj = OPEC, OPEP, ОПЕК (look above) |
In Esperanto | → Organizations and associations → Mining → 665 |
| OPEP | Organisation des Pays Exportateurs de Pétrole = OPEC, OPEL, ОПЕК (look above) |
In French | → Mining → 665 |
| OPEP | Organización de Países Esportadores de Petroleu = OPEC, OPEL, ОПЕК (look above) |
In Asturian | → Organizations and associations → Mining → 665 |
| OPEP | Organización de Países Exportadores de Petróleo = OPEC, OPEL, ОПЕК (look above) |
In Spanish | → Organizations and associations → Mining → 665 |
| OPEP | Organització de Països Exportadors de Petroli = OPEC, OPEL, ОПЕК (look above) |
In Catalan | → Organizations and associations → Mining → 665 |
| OPEP | Organização dos Países Exportadores de Petróleo = OPEC, OPEL, ОПЕК (look above) |
In Portuguese | → Organizations and associations → Mining → 665 |
| OxM | Oxidation of Metals | In English | → Serial publications, periodicals → Chemistry → Metallurgy |
| P&E | Propellant and Explosive | In English | → Spaceflight engineering, astronautics |
| PA | Polyamide | In English | → Plastic industry → Chemicals → Chemistry |
| PAN | Polyacrylonitrile | In English | |
| PAW | Plasma Arc Welding | In English | → Plasma physics → Metallurgy |
| PBAN | Polybutadiene Arcylonitrile | In English | |
| PBB | Polybromierte Biphenyle = PBB | Polybromobiphényle | In French = PBB | Polybrominated biphenyl | In English |
In German | → Chemicals |
| PBB | Polybrominated biphenyl = (look above) |
In English | → Chemicals |
| PBB | Polybromobiphényle = (look above) |
In French | → Chemicals |
| PBDE | Polybromodiphényléther = PBDE | Polybromierte Diphenylether | In German = PBDE | Polybrominated diphenyl ether | In English |
In French | → Chemicals |
| PBDE | Polybromierte Diphenylether = (look above) |
In German | → Chemicals |
| PBDE | Polybrominated diphenyl ether = (look above) |
In English | → Chemicals |
| PBI | Polybenzimidezole | In English | |
| PBT | Polybutylene Terephthalate | In English | → Chemicals |
| PC | Polycarbonate | In English | → Plastic industry → Chemicals → Chemistry |
| PCA | Polskie Centrum Aluminium (http://pca.org.pl) | In Polish | → Research institutes → Metallurgy |
| PCB | Polyvinyl Chloride-Bromide | In English | |
| PCB | Polychlorobiphényles | In French | → Chemicals |
| PCN | Polyester-Coated Nylon | In English | |
| PCP | Physico-Chimie des Polymères | In French | |
| PE | Polyethylene | In English | → Plastic industry → Chemicals → Chemistry |
| PEMEX | Petróleos Mexicanos | In Spanish | → Mining |
| PES | Polyéthersulfone | In French | |
| PETE | Polyethylene Terephthalate | In English | → Plastic industry → Chemicals → Chemistry |
| PHB | Polyhydroxybutyrate | In French | → Chemistry → Chemicals |
| PhMet | Physics of Metals | In English | → Serial publications, periodicals → Metallurgy |
| PlPo | Plasmas and Polymers | In English | → Serial publications, periodicals → Plasma physics |
| PMetP | Progress in Metal Physics | In English | → Serial publications, periodicals → Physics → Metallurgy |
| PMM | Physics of Metals and Metallography | In English | → Serial publications, periodicals → Metallurgy |
| PMMMA | Pattern Model and Mould Manufacturers Association | In English | → Associations → Metallurgy |
| PoCom | Polymer Composites | In English | → Serial publications, periodicals → Plastic industry |
| POL | Petroleum, Oil, and Lubricants | In English | → 665 |
| PolPh | Polymer Physics | In English | → Serial publications, periodicals → Chemistry → Plastic industry |
| PP | Polypropylene | In English | → Plastic industry → Chemicals → Chemistry |
| PPTEn | Polymer-Plastics Technology and Engineering | In English | → Serial publications, periodicals → Plastic industry |
| PROFETAS | Protein Foods, Environment, Technology and Society | In English | → Food technology |
| PRS | Power Reactant Subsystem | In English | → Chemicals |
| PRSA | Power Reactant Storage Assembly | In English | → Chemicals |
| PRSD | Power Reactant Storage and Distribution | In English | → Chemicals |
| PRSDS | Power Reactant Storage and Distribution System | In English | → Chemicals |
| PS | Polystyrene | In English | → Plastic industry → Chemicals → Chemistry |