

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| JCSS | Journal of the Chinese Silicate Society | In English | → Serial publications, periodicals → China | 
| 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 | 
| KIM | Korean Institute of Metals and Materials (www.kim.or.kr) | In English | → Materials science → Metallurgy | 
| KIMMJ | Korean Institute of Metals and Materials Journal | In English | → Serial publications, periodicals → Materials science → Metallurgy | 
| KKR | Kagaku Kogaku Ronbunshu | In Japanese | → Serial publications, periodicals | 
| KTTM | Khimiia i Tekhnologiia Topliv i Masel = ХТТМ | Химия и технология топлив и масел | In Russian | In Russian | → Serial publications, periodicals | 
| LBMA | London Bullion Market Association (www.lbma.org.uk) | In English | → Associations → Financial markets → Metallurgy → United Kingdom | 
| LFCC | Laboratoire Franco-Chinois sur la Catalyse | In French | → Research institutes → Chemistry | 
| LME | London Metal Exchange (https://www.lme.com) | In English | → Organizations and associations → Economics → Metallurgy → United Kingdom | 
| LPCI | Laboratoire de Physico-Chimie Industrielle | In French | → Research institutes | 
| LPG | Liquid Petroleum Gas | In English | → Vehicle engineering | 
| LSE | Limite Supérieure d'Explosivité | In French | |
| 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 | |
| MCFC | Molten-Carbonate Fuel Cell | In English | → Energy economics | 
| MCT | Mercury, Cadmium, Telluride | In English | → Metallurgy | 
| MDI | Methyleendifenyldi-isocyanaat | In Dutch | → Chemicals | 
| 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 | In Spanish | → Food technology → Spain | 
| MFPA | Manitoba Food Processors Association | In English | → Associations → Food technology → Canada | 
| MHP | Methylphenidate | In English | |
| MI | Malleable Iron | In English | → Metallurgy | 
| MLR | Monodisperse Latex Reactor | In English | |
| MMA | Methyl Methacrylat | In English | → Chemistry | 
| MMA | Manual Metal Arc | In English | → Metallurgy | 
| 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 | 
| MTBE | 甲基叔丁基醚 = MTBE | Metyl-tert-butyleter | In Swedish = МТБЭ | Метил-трет-бутиловый эфир | In Russian = MTBE | Methyl-tert-butylether | In Dutch = MTBE | メチルターシャリーブチルエーテル | In Japanese = MTBE | Metil-t-butil etere | In Italian = MTBE | Metyylitertiääributyylieetteri | In Finnish = MTBE | Methyl Tert-Butyl Ether | In English = MTBE | Methyl-tert-butylæter | In Danish = MTBE | Metiel-tersiêre-butieleter | In Afrikaans = MTBE | Methyl-tert-butylether | In German | In Chinese | |
| MTBE | Metyl-tert-butyleter = МТБЭ (look above) | In Swedish | |
| MTBE | Methyl-tert-butylether = МТБЭ (look above) | In Dutch | |
| MTBE | メチルターシャリーブチルエーテル = МТБЭ (look above) | In Japanese | |
| MTBE | Metil-t-butil etere = МТБЭ (look above) | In Italian | |
| MTBE | Metyylitertiääributyylieetteri = МТБЭ (look above) | In Finnish | |
| MTBE | Methyl Tert-Butyl Ether = МТБЭ (look above) | In English | |
| MTBE | Methyl-tert-butylæter = МТБЭ (look above) | In Danish | |
| MTBE | Metiel-tersiêre-butieleter = МТБЭ (look above) | In Afrikaans | |
| MTBE | Methyl-tert-butylether = МТБЭ (look above) | In German | |
| 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 → Netherlands | 
| NCBA | National Cattlemen's Beef Association (www.beef.org) | In English | → Associations → Agricultural sciences → Food technology | 
| NCFPD | National Center for Food Protection and Defense (www.ncfpd.umn.edu) | In English | → Beverage industry → Food technology | 
| NCIMB | National Collections of Industrial, Marine and Food Bacteria (www.ncimb.com) | In English | → Biological sciences → Food technology | 
| NILE | New Improvements for Ligno-cellulosic Ethanol | In English | → Biotechnology | 
| NMTA | National Metal Trades Association | In English | → Associations → Trade → Metallurgy | 
| NSLC | Nova Scotia Liquor Commission | In English | → Beverage industry → Canada | 
| OAPEC | Organization of Arab Petroleum Exporting Countries | In English | → Organizations and associations → Trade → 665 | 
| OBG | Oregon Brewers Guild (http://oregonbeer.org) | In English | → Organizations and associations → Beverage industry | 
| 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 → Canada | 
| OFI | Österreichisches Forschungsinstitut für Chemie und Technik (www.ofi.co.at) | In German | → Research institutes → Chemistry → Austria | 
| OFP | Omnium Français des Pétroles | In French | → 665 → France | 
| ÖGI | Österreichisches Gießerei-Institut (www.ogi.at) | In German | → Research institutes → Metallurgy → Austria | 
| ÖGI | Österreichisches Getränke-Institut (www.oegi.at) | In German | → Research institutes → Beverage industry → Austria | 
| 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 | Outer Mold Line | In English | → Metallurgy | 
| OML | Oddział Metali Lekkich | In Polish | → Research institutes → 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 the Petroleum Exporting Countries = OPEP | Organisation des Pays Exportateurs de Pétrole | In French = OPEC | Organization of Petroleum Exporting Countries | In English = 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 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 | Organização dos Países Exportadores de Petróleo = OPEC, OPEL, ОПЕК (look above) | In Portuguese | → Organizations and associations → 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 | 
| OxM | Oxidation of Metals | In English | → Serial publications, periodicals → Chemistry → Metallurgy | 
| P&E | Propellant and Explosive | In English | → Astronautics | 
| PA | Polyamide | In English | → Plastic industry → Chemicals → Chemistry | 
| PACTE | Pile À Combustible Tout Électrolyte | In French | → 6298 | 
| PAFC | Phosphoric Acid Fuel Cell | In English | → Energy economics | 
| PAN | Polyacrylonitrile | In English | |
| PAN-H | Plan d'Action National sur l'Hydrogène et les piles à combustible | In French | → Energy economics | 
| PAW | Plasma Arc Welding | In English | → Plasma physics → Metallurgy | 
| PBAN | Polybutadiene Arcylonitrile | In English | |
| PBB | Polybromobiphényle = PBB | Polybromierte Biphenyle | In German = PBB | Polybrominated biphenyl | In English | In French | → Chemicals | 
| PBB | Polybromierte Biphenyle = (look above) | In German | → Chemicals | 
| PBB | Polybrominated biphenyl = (look above) | In English | → 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 → Poland | 
| PCB | Polyvinyl Chloride-Bromide | In English | |
| PCB | Polychlorobiphényles | In French | → Chemicals | 
| PCN | Polyester-Coated Nylon | In English | |
| PCP | Physico-Chimie des Polymères | In French | → Plastic industry | 
| PE | Polyethylene | In English | → Plastic industry → Chemicals → Chemistry | 
| 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 | 
| PID | Piping and Instrumentation Diagram | In English | |
| PL | Parting Line | In English | → Metallurgy → Plastic industry | 
| PLA | Polylactic Acid = PLA | Polilaktoacido | In Esperanto = PLA | Polylactide | In German = PLA | Polilaktyd | In Polish = ПЛА | Полилактид | In Russian = PLA | Polylaktid | In Swedish | In English | → Chemicals → Plastic industry | 
| PLA | Polilaktoacido = ПЛА (look above) | In Esperanto | → Chemicals → Plastic industry | 
| PLA | Polylactide = ПЛА (look above) | In German | → Chemicals → Plastic industry | 
| PLA | Polilaktyd = ПЛА (look above) | In Polish | → Chemicals → Plastic industry | 
| PLA | Polylaktid = ПЛА (look above) | In Swedish | → Chemicals → Plastic industry | 
| PlPo | Plasmas and Polymers | In English | → Serial publications, periodicals → Plasma physics → Plastic industry | 
| 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 | 
| POL | Petroleum, Oils And Lubricants | In English | |
| PolPh | Polymer Physics | In English | → Serial publications, periodicals → Chemistry → Plastic industry | 
| PP | Polypropylene | In English | → Plastic industry → Chemicals → Chemistry | 
| PPG | Polypropeenglycol | In Dutch | → Chemicals | 
| PROFETAS | Protein Foods, Environment, Technology and Society | In English | → Food technology → Proteins | 
| 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 | → Chemicals → Plastic industry | 
| PSMA | Physical Sunscreen Manufacturers Association | In English | → Associations | 
| PSSA | Programme Spécial pour la Sécurité Alimentaire = SPFS | Special Programme for Food Security | In English | In French | → Agricultural sciences → Food technology | 
| PVC | Polyvinyl Chloride | In English | → 665 | 
| PVDF | Polyvinylidenefluoride | In English | → Plastic industry → Chemicals → Chemistry | 
| QUAS | Quaternisation of Starch Producers Association | In English | → Associations | 
| RAADIS | Réseau pour une Agriculture et une Alimentation Durables Inventives et Solidaires | In French | → Organizations and associations → Agricultural sciences → Food technology | 
| RAG | Rohöl-Aufsuchungs Aktiengesellschaft (https://www.rag-austria.at/) | In German | → Austria | 
| RARE | Réseau de recherche et d'innovation technologique 'Alimentation Référence Europe' | In French | → Nutrition → Food technology | 
| RCM | Reciprocating Chemical Muscle | In English | → Mechanical engineering | 
| RDF | Refuse-Derived Fuel | In English | → Chemicals | 
| RDX | Cyclotrimethyleentrinitramine | In Dutch | → Chemicals | 
| REACH | Registration, Evaluation and Authorization of Chemicals | In English | → Chemicals | 
| RFDA | Regional Food Distribution Association | In English | → Associations → Food technology | 
| RGC | Roanoke Gas Company | In English | |
| RISCPT | Registre International des Substances Chimiques Potentiellement Toxiques | In French | → Chemistry | 
| RoHS | Restriction of the use of certain Hazardous Substances (in electrical and electronic equipment) | In English | → Chemicals → Electrical engineering → Electronics | 
| RTAW | Rockwell Tandem Arc Weld | In English | → Metallurgy | 
| SBBE | Sciences de la Beauté et du Bien-Être | In French | → Medicine | 
| ScM | Scripta Metallurgica | In Latin | → Serial publications, periodicals → Metallurgy | 
| ScMM | Scripta Metallurgica et Materialia | In Latin | → Serial publications, periodicals → Metallurgy → Materials science | 
| SEB | Société d'Embouteillage de Bourgogne | In French | → Beverage industry | 
| SEITA | Société d'Exploitation Industrielle des Tabacs et des Allumettes | In French | → 6639 → France | 
| SFA | Swedish Foundry Association | In English | → Associations → Metallurgy | 
| SFC | Société Française de Céramique (www.ceramique.fr) | In French | → Research institutes → 666 → France | 
| SFR | Société de Forgeage de Rive-de-Gier | In French | → Metallurgy | 
| SFU | Société des Fonderies d'Ussel | In French | → Metallurgy | 
| SIAMFESP | Sindicato da Indústria de Artefatos de Metais não Ferrosos no Estado de São Paulo (www.siamfesp.org.br) | In Portuguese | → Organizations and associations → Metallurgy → Brazil | 
| SIRES | Sindicato da Indústria de Resinas Sintéticas | In Portuguese | → Organizations and associations | 
| SJMet | Scandinavian Journal of Metallurgy | In English | → Serial publications, periodicals → Metallurgy | 
| SMAW | Shielded Metal Arc Welding | In English | → Metallurgy | 
| SMZ | Schweizerischer Fachverband metallverarbeitender Zulieferer (www.smz-net.ch) | In German | → Organizations and associations → Metallurgy → Switzerland | 
| SNCO | Syndicat National des Courtiers en Graines Oléagineuses, Huiles et Corps Gras | In French | → Organizations and associations → Trade → Agricultural sciences → Food technology | 
| SNCPL | Syndicat National des Courtiers en Produits Laitiers | In French | → Organizations and associations → Trade → Food technology | 
| SNFS | Syndicat National des Fabricants de Sucre | In French | → Organizations and associations → Food technology | 
| SNOB | Supporter(s) of Native Oregon Beer | In English | → Organizations and associations → Beverage industry | 
| SNPAA | Syndicat National des Producteurs d'Alcool Agricole | In French | → Organizations and associations → Agricultural sciences | 
| SOFC | Solid Oxide Fuel Cell | In English | → Energy economics | 
| SOGEP | Société Genevoise des Pétroles | In French | → 665 | 
| SOGITS | Senior Officials Group on Information Technology Standardization | In English | → Computer science → Standardization → Food technology | 
| SPFS | Special Programme for Food Security = PSSA (look above) | In English | → Agricultural sciences → Food technology | 
| SPI | Société de Protéines Industrielles | In French | → Organizations and associations → Proteins | 
| SRF | Specified Recovered Fuel | In English | → Chemicals | 
| SS | Stainless Steel | In English | → Metallurgy | 
| SSMS | Stockholm Single Malt Society = SSMS | Stockholms Single Malt Sällskap | In Swedish | In English | → Organizations and associations → Beverage industry → Sweden | 
| SSMS | Stockholms Single Malt Sällskap = (look above) | In Swedish | → Organizations and associations → Beverage industry → Sweden | 
| STLO | Science et Technologie du Lait et de l'Oeuf | In French | → Food technology | 
| STPA | Sciences et Technologies du Produit Agroalimentaire | In French | → Agricultural sciences → Food technology | 
| SuCT | Surface and Coatings Technology | In English | → Serial publications, periodicals → Materials science | 
| SW | Spot Weld | In English | → Metallurgy | 
| SYGAL | SYstème de Gestion pour l'Alimentation | In French | → Software → Food technology | 
| SynMe | Synthetic Metals | In English | → Serial publications, periodicals → Chemistry → Metallurgy | 
| SZA | Schweißtechnische Zentralanstalt | In German | → Metallurgy | 
| TAML | Tetra-Amido Microcyclic Ligand | In English | → Biochemistry, biophysics | 
| TAPIR | Transformateur d'Alimentation Provisoire Intégré sur Remorque | In French | → Electrical engineering → Food technology | 
| TBTO | Tributyltin Oxide | In English | |
| TCFN | Total Compagnie Française de Navigation | In French | → Transport and postal services → 665 → France | 
| TEOS | Tetraethyl Orthosilicate = TEOS | Tetraethylorthosilikat | In German | In English | |
| TEOS | Tetraethylorthosilikat = (look above) | In German | |
| TEP | Tonne Équivalent Pétrole | In French | → Energy economics → 665 | 
| TIPP | Taxe Intérieure sur les Produits Pétroliers | In French | → Taxes, duties → 665 → Transport and postal services | 
| tML | Tonne de Métal Lourd | In French | → Metallurgy → Nuclear technology | 
| TMP | Thermo-Mécanique et Plasticité | In French | → Materials science → Mechanical engineering | 
| TNT | Trinitrotoluol = TNT | Trinitrotoluè | In Catalan = TNT | Trinitrotoluen | In Czech = TNT | Trinitrotoluene | In English = TNT | Trinitrotolueno | In Esperanto = TNT | Trinitrotolueno | In Spanish = TNT | Trinitrotoluenori | In Basque = TNT | ترینیتروتولوئن | In Persian = TNT | Trinitrotoluène | In French = TNT | Trinitrotoluene | In Italian = TNT | Trinitrotoluolas | In Lithuanian = TNT | Trinitrotolueen | In Dutch = TNT | Trinitrotoluen | In Nynorsk = TNT | Trinitrotoluen | In Norwegian = TNT | Trinitrotolueno | In Portuguese = TNT | Trinitrotoluen | In Romanian = TNT | Тринитротолуол | In Russian = TNT | Trinitrotoluen | In Slovenian = ТНТ | Тринитротоулен | In Serbian = TNT | ทีเอ็นที | In Thai = TNT | Trinitrotoluen | In Turkish = ТНТ | Тринітротолуол | In Ukrainian | In German | → Chemicals → Military engineering | 
| TNT | Trinitrotoluè = ТНТ (look above) | In Catalan | → Chemicals → Military engineering | 
| TNT | Trinitrotoluen = ТНТ (look above) | In Czech | → Chemicals → Military engineering | 
| TNT | Trinitrotoluene = ТНТ (look above) | In English | → Chemicals → Military engineering | 
| TNT | Trinitrotolueno = ТНТ (look above) | In Esperanto | → Chemicals → Military engineering |