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Acronyms and abbreviations in English.

An acronym is a word or name formed as an abbreviation from the initial components of a phrase or a word, usually individual letters. There are no universal standards for the multiple names for such abbreviations or for their orthographic styling.


# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
There are 197 terms in this directory beginning with the letter R.
R
repeatable

R &D
research and development

R.
(in titles) Royal

R.C.Ch.
Roman Catholic Church

R&D
Research & Development

R&M
Reliability & Maintainability

R2RC
Right to Repair Campaign

RA
1. Research Assistant.
2. Resident Assistant.
3. Radiocommunications Agency.

RAAF
Royal Australian Air Force

RAB
Resource Accounting and Budgeting

RABS
Restricted Access Barrier Systeme

RAC
Royal Automobile Club

RACE
Rotary Atkinson Cycle Engine

RACY
Rotary Air Control Valve

RAD
1. Requirements Analysis Document.
2. Rapid Application Development.

RADEF
Road Administration Data Exchange Format

Radiol.
in Radiology

RAIB
Rail Accident Investigation Branch

RAK
Random Act of Kindness

RAKE
Radio Activated Key Entry

RAM
Random-Access Memory

RAPRA
Rubber and Plastics Research Association

RAS
Regional Air Services

RASE
Royal Agricultural Society of England

RASP
Risk Assessment for Strategic Planning

RAW
Rigid Angled Wall

RBCS
Robotics, Brain and Cognitive Sciences (Istituto Italiano di Tecnologia)

RBS
Really Big Screen

RBT
Roller Brake Test

RBTH
Roller Brake and Test Hall Project

RC&S
Regulations, Codes & Standards

RCA
Radio Communications Agency

RCAR
Research Committee for Automobile Repairs

RCAST
Research Center for Advanced Science and Technology

RCEP
Royal Commission on Environmental Pollution

RCFA
Root Cause Failure Analysis

RCG
Recent College Graduate

RCGP
Royal College of General Practitioners

RCI
Royal Canadian Institute

RCID
Resource Centre for Innovation and Design

RCLW
Rated Cargo and Luggage Weight

RCM
Reliability Centred Maintenance

RCP
Royal Canadian Police

RCPN
Research Center for Pharmaceutical Nanotechnology

RCRA
Resource Conversation and Recovery Act (USA)

RCT(s)
randomized clinical trial(s)

RCTT
Republican Centre for Technology Transfer (Belarus)

RCV
Rear Collection Vehicle

RD
route distinguisher

RDA
Regional Development Agency

RDC
Rib Deflection Criterion

RDF
1. Radio Direct Finding.
2. Record Definition Field.
3. Refuse Derived Fuel.
4. Repeater Distribution Frame.
5. Resource Description Framework.

RDP
Recoverably Deletable Predicate

RDR
Radio Communications Agency (Netherlands)

RDS
Radio Data System

RDS-TMC
Radio Data System

RE
1. Regarding.
2. Reunion.
3. Renewable Energy.
4. ( re ) - with reference to

REACH
Registration, Evaluation & Authorisation of Chemicals

Rec.
(in titles) Record

RECOUP
Recycling of Used Plastic Containers (Charity)

redupl.
reduplicating

Ref.
(in titles) Reference

refash.
refashioned, -ing

refl.
reflexive

Reg.
1. (in titles) Register
2. ( reg. ) - regular

REIA
Regulatory & Environmental Impact Assessment

REIO
Regional Economic Integration Organisation

REME
Royal Electrical and Mechanical Engineers

Reminisc.
(in titles) Reminiscence, -s

REMO
Reciprocal Enforcement of Maintenance Orders

REMOVE
Requirements for Overloaded Vehicles in Europe

REMSA
Recovery Equipment Manufacturers and Suppliers Association

Rep.
(in titles) Report, -s

REPAC
Regional Environment Protection Advisory Committee (ENVT Agency)

repr.
representative, representing

RES
Radio Equipment and Systems

Res.
(in titles) Research

RESSG
Rural Economy and Society Study Group

Rev.
1. (in titles) Review
2. ( rev. ) - revised

RF
Radio-Frequency

RFC
Request For Comments

RFD
Request For Discussion

RFG
Reformulated Gasoline

RFID
Radio Frequency Identification Device

RFO
Recovered Fuel Oil

RFT
Request For Thinking

RFWS
Run-Flat Warning System

RHA
Road Haulage Association

Rhet.
in Rhetoric

RHIDES
Road Haulier Identity System

RHIP
Rank HasIts Privileges

RHO
Radiant Heat Output

RHS
1. Revitalising Health and Safety.
2. Royal Horticultural Society.

RI
Regular Index

RIA
Regulatory Impact Assessment

RID
(Regulations on the International Carriage of Dangerous Goods by Rail)

RIDDOR
Reporting of Injuries, Diseases and Dangerous Occurences Regulations

RIP
Reach Implementation Project

RISD
Rhode Island School of Design

RKE
Remote Key Entry

RL
Real Life

RLAB
Rolls Like A Buffalo

RLCO
Real Life Conference

RLS
Recursive Least Squares

RME
Rapeseed Methyl Ester

RMIF
Retail Motor Industry Federation

RMTD
Radioactive Materials Transport Division

RNA
Ring, No Answer

RNAi
Interference RNA

RNZCGP
Royal New Zealand College of General Practitioners

RO
Romania

ROARS
Relationships Opportunities Academics Rigor And Safety

ROCE
Return on Capital Employed

ROE
Rest of Europe

ROFFNA
Rolling On the Floor For No Apparent Reason

ROFFNAR
Rolling on the Floor for no Apparent Reason

ROFL
Rolling On the Floor Laughing

ROFLAH
Rolling On the Floor Laughing And Holding My sides

ROFLAS
Rolling On the Floor Laughing And Scaring The Cat

ROFLGO
Rolling On Floor Laughing Guts Out

ROFLMA
Rolling On the Floor Lauging My Ass Off Out Loud

ROFLMAO
Rolling on Floor Laughing My Ass Off

ROFLOL
Rolling On the Floor Laughing Out Loud

ROFLOLBAG
Rolling on the Floor Laughing Out Loud Bustinga Gut

ROFLOLVH
Rolling On the Floor Laughing Out Loud Very Hard

ROFLWM
Rolling On the Floor Laughing--Wet My Knickers

ROFPML
Roll On Floor Pissing Myself Laughing

ROFTTP
Rolling On the Floor Trying To Put Out Flames

ROHS
Restrictions on Hazardous Substances

ROI
return on investment

ROK
Republic of Korea

ROLC
Routing Over Large Clouds

ROM
Read-Only Memory

Rom.
Roman, -ce, -ic

ROP
Roll Over Protection

ROPS
Roll-over Protection Stability

RORO
Roll-on-Roll-off Container/Vehicle

ROSCO
Rolling Stock Leasing Company

RoSPA
Royal Society for thr Prevention of Accidents

ROTBA
Reality On The Blink Again

ROTF
Rolling On The Floor

ROTFL
Rolling On The Floor Laughing

ROTFLY
Rolling On The Floor Laughing Yet Somehow Still Typing

ROTFST
Rolling On The Floor Scaring The Cat Laughing My Ass And Other Bod

ROTM
Right On The Money

RPAT
Research Project Application Tool

RPC
Reduced Pollution Certificate

rPCR
Realtime Polymerase Chain Reaction

RPG
1. Regional Planning Guidance.
2. Role Playing Game.

RPM
Report Project Management

RPRF
Research Participant Receipt Forms

RPS
Research Paper Spot

RQAS
Radiocommunications Quality Assurance Scheme

RR
Radio Regulations

RRR
Recycling, Re-Use and Recovery

RSC
1. Royal Society of Canada.
2. Roll Stability Control.
3. Royal Smithfield Club.
4. Radio Spectrum Committee.

RSI
Repetitive Strain Injury

RSL
Roadside Safety Library (USA)

RSN
Real Soon Now

RSP
Roll Stability Program

Rsr.
Researcher

RSS
1. RDF Site Summary.
2. Rich Site Summary.
3. Really Simple Syndication.
4. Roll Stability Support.

RSVP
Reservation Protocol

RSW
Rigid Sil Wall

RT
Real Time

RTD
1. Research and Technology Development.
2. Road Transport Directive.

RTFA
Read The fucking Article

RTFFAQ
Read The fucking / Friendly Frequently Asked Questions

RTFI
Read The Friendly Instructions

RTFM
Read The Friendly Manual

RTFMS
Read The friendly Manual, Sir(from the military)

RTFO
Renewable Transport Fuel Obligation

RTFQ
Read The Friendly Question

RTFS
Read The Friendly Source

RTFT
Read The fucking Thread

RTI
1. Road Transport Informatics.
2. Real Time Interruption.

RTITB
Road Transport Industry Training Board

RTM
Requirements Traceability Matrix.

RTO
Road Traffic Ordinance

RTPA
Restrictive Trade Practlces Act

RTPI
Royal Town Planning Institute

RTS
Read The Screen

RTTE
Radio & Telecommunication Terminal Equipment

RTTT
Road Transport & Traffic Telematics

RU
Russian Federation

RUBP
Ribulose-1,5-bisphosphate

RUC
Road User Charging

Rum.
Rumanian

RUMF
are you Male or Female

Russ.
Russian

RV(AW)
Road Vehicles (Authorised Weight)

RVIA
Recreation Vehicles Industry Association

RVLR
Road Vehicle Lighting Regulations

RVP
Reid Vapour Pressure

RVR
1. Remote Video Response.
2. Reactor Vessel Rupture.

RW
Rwanda

RWD
Rear Wheel Drive

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