Since 1998, the Casia Corporation Holland have been working on The Definitive TLA Wörterbuch to help people find their way in the ever growing intellectual chaos caused by the late-twentieth century tendency to use as many acronyms in daily communication as possible. Especially acronyms with a length of three letters have been and continue to be immensly popular, not only in Information and Communication Technology circles, but also among people in more mundane fields of labour; a tendency that has mushroomed with the advent of mobile communication and the combined growing popularity of Short Message Services.
At present, there are 7540 TLAs in the database.
Of these, 4496 are distinct, out of 17576 possible (25.58%).
Please click on a bar in the diagram that is displayed below, or enter a search-string.
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| R | ||
| RAA | Reductio Ad Absurdum | |
| Regional Airline Association | ||
| RAC | Regionaal Avond College | |
| Royal Automobile Club | ||
| RAD | Radiation Absorbed Dose | |
| Rapid Application Development | ||
| Routing Arbiter Database | ||
| RAE | Radiodifusión Argentina al Exterior | |
| Royal Aircraft Establishment | ||
| RAF | Rote Armee Fraktion | |
| Royal Air Force | ||
| RAG | Retrieval Augmented Generation | |
| RAH | Reductio ad Hitlerum | |
| Royal Albert Hall | ||
| RAI | Request for additional information | |
| Rijwiel- en Automobielindustrie | ||
| RAL | Reichsausschuß für Lieferbedingungen | |
| RAM | Random Access Memory | |
| Reliability, Availability, and Maintainability | ||
| Royal Academy Member | ||
| Royal Air Maroc | ||
| RAO | Randstad Afval Overleg | |
| Recreatie en Algemene Ontspanning | ||
| RAR | Reverse Access Ranking | |
| Roelof Albert Ruules | ||
| Roshal ARchive | ||
| RAS | Redundant Acronym Syndrome | |
| Remote Access Service | ||
| Revue ASiatique | ||
| Robert Alexander Spencer | ||
| Row Address Strobe | ||
| Royal Astronomical Society | ||
| RAT | Remote Access Trojan | |
| RAW | Raw Architecture Workstation | |
| Reading and Writing | ||
| Reality And Wonder | ||
| Reconfigurable Architectures Workshop | ||
| Reggae Ambassadors Worldwide | ||
| Ride Around Washington | ||
| Rutgers Accounting Web | ||
| RBA | Regionaal Bureau voor de Arbeidsvoorziening | |
| RBB | Rundfunk Berlin Brandenburch | |
| RBC | Recurring Boundary Conditions | |
| Red Blood Cells | ||
| RBD | Rigid Body Dynamics | |
| RBE | Rekening Beoordelen Elftal | |
| RBF | Radial Basis Function | |
| RBG | Ruth Bader Ginsburg | |
| RBK | Register Bijzondere Kentekens | |
| Rijksdienst Beeldende Kunst | ||
| RBS | Royal Bank of Schotland | |
| RBT | Recherche Bijstands Team | |
| Ruim Baan voor Talent | ||
| RCA | Radiation Controlled Area | |
| Radio Corporation of America | ||
| RCC | Rescue Coordinatin Center | |
| RCF | Revolving Credit Facility | |
| RCI | Regional Competitiveness Index | |
| Renault Crédit International | ||
| RCM | Reliability Centred Maintenance | |
| RCO | Ripple Carry Out | |
| RCP | Rich Client Platform | |
| RCS | Reaction Control System | |
| Reactor Coolant System | ||
| Revision Control System | ||
| RCT | Randomised Controlled Trial | |
| Randomized Control Trial | ||
| Randomized Controlled Trial | ||
| Remote Control Template | ||
| RCV | Ranked Choice Voting | |
| RDB | Relational Data Bases | |
| Revalidatiedagbehandeling | ||
| RDC | Rapid Development Capability | |
| RDD | Radiological Dispersal Device | |
| Resillient Distributed Dataset | ||
| RDE | Revue D'Egyptology | |
| RDF | Reality Distortion Field | |
| Resource Description Format | ||
| Resource Description Framework | ||
| RDI | Rijksinspectie Digitale Infrastructuur | |
| RDM | Rational Decision Making | |
| Research Data Management | ||
| RDO | Raad voor Delta Onderzoek | |
| RDP | Remote Desktop Protocol | |
| RDV | Responsive Design View | |
| RDW | Rijks Dienst voor het Wegverkeer | |
| Ruud De Wild | ||
| REB | Rectabular Excrusion Bracket | |
| RED | Radiological Exposure Device | |
| REF | Rapid Equipping Force | |
| REM | Rapid Eye Movement | |
| Reclame Exploitatie Maatschappij | ||
| Remote Elevator Monitoring | ||
| Roentgen Equivalent Man | ||
| RER | Réseau Express Régional | |
| Retarded Entity Relationship | ||
| RES | Radar Environment Simulator | |
| Review of Economic Studies | ||
| Rothamsted Experimental Station | ||
| Rudder Elevator Spoiler | ||
| RET | Rotterdams Electrische Tram | |
| Round Earth Theory | ||
| RFB | Roughly From Behind | |
| RFC | Request For Comments | |
| RFD | Recipe For Disaster | |
| Request For Date | ||
| RFE | Radio Free Europe | |
| Request For Enhancement | ||
| RFF | Rescue and Fire Fighting | |
| RonFlonFlon | ||
| RFG | Random Format Generator | |
| RFH | Royal Festival Hall | |
| RFI | Radio France International | |
| Request For Information | ||
| RFK | Rorys First Kiss (code name for Batman II, the Dark Knight) | |
| RFM | Renderman For Maya | |
| Rotary Forging Machine | ||
| RFO | Radio Filharmonisch Orkest | |
| rectal foreign object | ||
| Right Fucking On | ||
| RFP | Reqeust For Proposal | |
| Request For Proposal | ||
| RFQ | Request For Quote | |
| RFT | Relational Frame Theory | |
| Revisable Form Text | ||
| Right First Time | ||
| RFZ | Reflection Free Zone | |
| RGA | Relief Goods Alliance | |
| RGB | Red Green Blue | |
| RGD | Rijks Geologische Dienst | |
| RijksGebouwenDienst | ||
| RGI | Realtime Global Illumination | |
| RGL | Rijn Gouwe Lijn | |
| RHA | Road Haulage Association | |
| RHB | Right Hand Bat | |
| RHC | Red Haired Cunt | |
| RHE | Rad Hard Electronics | |
| RHL | Retarded Hillbilly Language | |
| RHR | Residual Heat Removal | |
| Revue de l'Historie des Religions | ||
| Righthand Head Rule | ||
| RHS | Right Hand Side | |
| Royal Horticultural Society | ||
| RHW | Rachel Hurd-Wood | |
| RIA | Reactivity Initiated Accident | |
| RIB | Rail Infra Beheer | |
| Rare Isotope Beams | ||
| RenderMan Interface Bitstream | ||
| Routing Information Base | ||
| RIC | Radio Industry Council | |
| Ramtron International Corporation | ||
| RIE | Rage In Eden | |
| Reactive-ion etching | ||
| RIM | Research in Motion | |
| Rorschach Inktvlekken Methode | ||
| RIO | Radar Intercept Officer | |
| Rovecom Interne Optimalisering | ||
| RIP | Resquiat In Pacem | |
| Reversed Implementation Protocol | ||
| Rod Internal Pressure | ||
| Routing Information Protocol | ||
| RIS | Remote Installation Services | |
| Republik Indonesia Sarikat | ||
| Russian Imperial Stout | ||
| RIT | Rampen Identificatie Team | |
| RJK | Rotterdamse Jongeren Kern | |
| RJS | Robert Jan Stips | |
| RKD | Rijksbureau voor Kunsthistorische Documentatie | |
| RKK | Rooms Katholieke Kerk | |
| RLA | Regeling voor Laagfrequente Aandoeningen | |
| RLE | Run-Length Encoding | |
| RLP | Rapid Liquid Painting | |
| RLQ | Regolatore Lineare Quadratico | |
| RLS | Real Life Soap | |
| RMA | Recording Management Area | |
| Return Merchandise Authorization | ||
| RMC | RenderMan Compliant | |
| Rest My Case | ||
| RMD | Recording Management Data | |
| RMF | Rich Map Format | |
| Rich music format | ||
| RMI | Radio Massacre International | |
| Reliability Maintenance Institute | ||
| Remote Method Invocation | ||
| Republic Mortgage Insurance | ||
| Rocky Mount Instruments | ||
| RMO | Raad voor Maatschappelijke Ontwikkelingen | |
| Regionaal Milieu-Overleg | ||
| Register voor Maatschappelijke Objecten | ||
| Rijdende Melk Ontvangst | ||
| Rijksmuseum voor Oudheden | ||
| RMP | Resonant Magnetic Perturbations | |
| RMS | Republik Maluku Selatan | |
| Root-Mean-Square | ||
| Royal Mail Steamer | ||
| RMT | Reservist Militaire Taken | |
| RMV | Rijksmuseum voor Volkenkunde | |
| RMZ | Radio Mandatory Zone | |
| RNA | RiboNucleic Acid | |
| RNC | Republican National Committee | |
| Republican National Convention | ||
| RND | Random | |
| RNI | Registratie van Niet-Ingezetenen | |
| RNN | Recurrent Neural Network | |
| ROA | Researchcentrum voor Onderwijs en Arbeidsmarkt | |
| Rules Of the Air | ||
| ROB | Rape Of Belgium | |
| ROC | Receiver Operating Characteristic | |
| Regionaal Opleidings Centrum | ||
| ROE | Report of Eligibility | |
| Rules Of Engagement | ||
| ROF | Rolling On Floor | |
| ROG | Rijks Opvoedings Gesticht | |
| ROI | Region Of Interest | |
| Return On Investment | ||
| ROK | Republic Of Korea | |
| ROM | Read Only Memory | |
| RON | Research Octane Number | |
| ROR | Rapid Operational Reuse | |
| Ruby on Rails | ||
| ROT | Right on Time | |
| Rule of Thumb | ||
| Rate of Turn | ||
| Rate One Turn | ||
| Receive Only Terminal | ||
| Record Of Trial | ||
| Reign of Terror | ||
| Republic of Texas | ||
| Republic of Turkey | ||
| Republic Of Turkey | ||
| Retailers' Occupation Tax | ||
| Running Object Table | ||
| Runway Occupancy Time | ||
| ROV | Remotely Operational Vehicle | |
| ROW | Right Of Way | |
| RijksOverheidsNetwerk | ||
| RPC | Remote Procedure Call | |
| Rocket Propelled Chainsaw | ||
| RPD | Requirements and Planning Document | |
| Robust Product Design | ||
| RPF | Reformatorisch Politieke Federatie | |
| Reverse Path Forwarding | ||
| RPG | Rocket Propelled Grenade | |
| Role Playing Game | ||
| RPL | Recreational Pilot License | |
| RPM | RPM Package Manager | |
| RPS | Regional Pressure Setting | |
| Renderman Pro Studio | ||
| RRE | Red Rhino Europe | |
| Rock & Roll Evacuation | ||
| RRM | Renal Repair Mechanisms | |
| RRP | Recommended Retail Price | |
| RRR | Rapidly Reusable Rockets | |
| Required Run Rate | ||
| Ride a Rubber Rocket | ||
| RRS | Rational Response Squad | |
| Renault Route Service | ||
| Riool Reinigings Service | ||
| RRW | Reliable Replacement Warhead | |
| RSA | Republic of South Africa | |
| Rivest, Shamir, Adleman | ||
| RSC | Resource | |
| Reusable Software Components | ||
| RSD | Record Store Day | |
| Reservist Specifieke Deskundigheid | ||
| RSF | Reporters Sans Frontières | |
| Right Said Fred | ||
| RSG | RijksScholenGemeenschap | |
| RSI | Repetitive Strain Injury | |
| Repubblica Sociale Italiana | ||
| RSJ | Raad voor Strafrechttoepassing en Jeugdbescherming | |
| RSL | Recurring Slope Lineae | |
| Renderman Shading Language | ||
| RSM | Resource Standard Metrics | |
| Rolling Stone Magazine | ||
| RSN | Real Soon Now | |
| RSO | Range Safety Officer | |
| Richtlijn Sportdeelname Onderzoek | ||
| Rivista deglie Studi Orientali | ||
| Russian School Of Mathematics | ||
| RSP | Rate of Subproblem Proliferation | |
| Rising Sun Pictures | ||
| Role Swap Protocol | ||
| RSS | Radar Signal Simulator | |
| Radial Shaft Seal | ||
| Radio Security Service | ||
| Radio Service Software | ||
| Radio Sub System | ||
| Radiodetermination Satellite System | ||
| Rail Security Service | ||
| Rail Surveillance Service | ||
| Range & Synchronisation Subsystem | ||
| Rashtriya Swayamsewak Sangh | ||
| RDF Site Summary | ||
| Ready Service Spare | ||
| Ready Supply Store | ||
| Real Stream System | ||
| Really Simple Syndication | ||
| Residual Sum of Squares | ||
| Rotating Service Structure | ||
| RSU | Ruimtelijke Strategie Utrecht | |
| RSV | Rainbow Six Vegas | |
| Respiratoir Syncrytiaal Virus | ||
| Respiratory Syncytial Virus | ||
| Rijn Schelde Verolme | ||
| RSX | Real-time System eXecutive | |
| RTA | Real Time Animation | |
| Road Traffic Accident | ||
| RTB | Return To Base | |
| RTC | Reactivity Temperature Coefficient | |
| Real Time Clock | ||
| RTF | Rich Text Format | |
| RTG | Radioisotope Thermoelectric Generator | |
| RTL | Radio & Television Luxembourgh | |
| Receptie in het Teken van de Lente | ||
| Register Transfer Level | ||
| Resistor-Transistor Logic | ||
| RTM | Release To Manufacturing | |
| RTP | Real-time Transport Protocol | |
| RTR | Referentiekader Taal en Rekenen | |
| RTS | Real Time Strategy | |
| RTV | Radio TeleVisie | |
| RTX | Ray Tracing Texel eXtreme | |
| RUA | Robot Unicorn Attack | |
| RUC | Registry of Univeral Companies | |
| RUD | Rapid Unscheduled Disassembly | |
| Regionale Uitvoeringsdienst Drenthe | ||
| RUG | Rijksuniversiteit Groningen | |
| RUL | Rijksuniversiteit Leiden | |
| RUN | Radboud Universiteit Nijmegen | |
| RUP | Rational Unified Process | |
| RUR | Rechtstreeks Uit Richter | |
| RUU | Rijksuniversiteit Utrecht | |
| RVA | rijvaardigheidsanalyse | |
| RVB | Rijksvastgoedbedrijf | |
| RVD | Rijks Voorlichtingsdienst | |
| RVM | Ruby Version Manager | |
| RVO | Rijksdienst voor Ondernemend Nederland | |
| RVP | RendezVous Point | |
| Rentevaste Periode | ||
| RVS | Roestvast Staal | |
| Rotterdamse Verzekering Sociëteiten | ||
| RVU | Radio VolksUniversiteit | |
| RVZ | Raad voor de Volksgezondheid en Zorg | |
| RWD | Responsive Web Design | |
| RWN | Radio Wereldomroep Nederland | |
| RWP | Radiation Work Permit | |
| RWS | Rate of Work Shrinkage | |
| Rijkswaterstaat | ||
| RZN | ReumaZorg Nederland | |
