Abbreviations in Germanic languages
- Code
-
Meaning
Language
Themes and places
- ORA
-
Operational Requirements Analysis
- ORAC
-
Oxygen Radical Absorbance Capacity
- ORAM
-
Output Random Access Memory
The abbreviation ORAM (Output Random Access Memory) includes the abbreviation RAM (Random Access Memory).
- ORB
-
Object Request Broker
- ORB
-
Operations Review Board
The abbreviation ORB (Operations Review Board) includes the abbreviation RB (Review Board).
- ORC
-
Operations Request Card
- ORCHIS
-
Oak Ridge Computerized Hierarchical Information System
- ORCUS
-
Orbital Recording Capability and Update System
- ORD
-
Operational Readiness Data
- ORD
-
Operational Ready Data
- ORD
-
Operations Requirements Document
The abbreviation ORD (Operations Requirements Document) includes the abbreviation RD (Requirements Document).
- ORD
-
Orbital Requirements Document
The abbreviation ORD (Orbital Requirements Document) includes the abbreviation RD (Requirements Document).
- ORD
-
Office of Rare Diseases (http://rarediseases.info.nih.gov)
- ORDBMS
-
Object-Relational Database Management System
- ORDI
-
Ontology Representation and Data Integration
- ORE
-
Output Request Element
- ORF
-
Observer Research Foundation
- ORF
-
Österreichischer Rundfunk (http://orf.at)
- ORFEUS
-
Observatories and Research Facilities for EUropean Seismology (http://orfeus.knmi.nl)
- ORI
-
Operational Readiness Inspection
- ORI
-
Ocean Research Institute (www.ori.u-tokyo.ac.jp)
- ORIENT
-
Oriental Research Infrastructure to European Networks
- ORIS
-
Office of Research and Information Systems
- ORLA
-
Optimum Repair Level Analysis
The abbreviation ORLA (Optimum Repair Level Analysis) includes the abbreviation RLA (Repair Level Analysis).
- ORM
-
Operational Reactivity Margin
- ORP
-
Oral Rehydration Point
ORP is equivalent to PRO (Point de Réhydratation Orale) in French.
- ORP
-
OFS Retransmission Processor
- ORP
-
Optional Retirement Program
- ORR
-
Operational Readiness Review
The abbreviation ORR (Operational Readiness Review) includes the abbreviation RR (Readiness Review).
- ORR
-
Operations Requirements Review
The abbreviation ORR (Operations Requirements Review) is included in the abbreviation PORR (Preliminary Operations Requirements Review), and it includes the abbreviation RR (Requirements Review).
- ORRCA
-
Ontario Research Centre for Computer Algebra (https://orcca.on.ca/)
- ORROE
-
Occasional Reports of the Royal Observatory Edinburgh
- ORS
-
Outer Root Sheath
- ORS
-
Österreichische Rundfunksender (www.ors.at)
- ORS
-
Orbital Refueling System
- ORS
-
Orbital Reservicing System
- ORS
-
Orbital Resupply System
- ORSDI
-
Oak Ridge Selective Dissemination of Information
- ORT
-
Operational Readiness Test
- ORT
-
Orbit Readiness Test
- ORU
-
Orbital Replaceable Unit
- ORU
-
Orbital Replacement Unit
- ORV
-
Orbital Research Vehicle
- OS
-
On-orbit Station
- OS
-
Operating Software
- OS
-
Operating System
The abbreviation OS (Operating System) is included in abbreviations such as ECOS (Experiment Computer Operating System), FMA (Finanzmarktaufsicht), FOS (Factored Operating System), COS (Cray Operating System), DROPS (Dresden Real-Time Operating System Project), DTOS (Distributed Trusted Operating System), BOS (Base Operating System), WOS (Web Operating System), ROSS/V (RSTS/E Operating System Simulator for VAX), BDOS (Basic Disk Operating System), CNOS (Communication Network Operating System), RTOS (Real-Time Operating System), TOS (Tape Operating System), PC-DOS (Personal Computer Disk Operating System), MOS (Machine Operating System), QDOS (Quick and Dirty Operating System), BOS (Backup Operating System), TOS (Test Operating System), SCOS (Subsystem Computer Operating System), RDOS (Real-Time Disk Operating System), DOS (Disk Operating System), POSIX (Portable Operating System Interface), OSID (Operating System Interface Definition), MSDOS (Mass Storage Digital Operating System), IDOS (Integrated Display Operating System), HOS (Hybrid Operating System), GCOS (Ground Computer Operating System), MS-DOS (Microsoft Disk Operating System), FCOS (Flight Control Operating System), FCOS (Flight Computer Operating System), EOS (Extended Operating System) and COS (Console Operating System).
- OS
-
Orbiter CEI Specification
- OS
-
Open Source
The abbreviation OS (Open Source) is included in abbreviations such as OSI (Open Source Initiative), OSDL (Open Source Development Labs), OSDL (Open Source Development Lab), FLOSS (Free/Libre Open Source Software), OSIM (Open Source In Morocco), GOSCON (Government Open Source Conference), OSSTMM (Open Source Security Testing Methodology Manual), OSEM (Open Source Event Manager) and OSS (Open Source Software).
- OSA
-
Oklahoma Sociological Association
- OSA
-
Operational Support Area
The abbreviation OSA (Operational Support Area) includes the abbreviation SA (Support Area).
- OSA
-
Ordered-Subset Analysis
- OSA
-
Operational Support Airlift
- OSAJ
-
Optical Society of America Journal
- OSAJI
-
Optical Society of America Journal - Optics and Image Science
- OSALL
-
Organisation of South African Law Libraries
- OSART
-
Operational Safety Assessment Review Team
- OSB
-
Oberste Schifffahrtsbehörde
- OSB
-
Order of Saint Benedict
- OSB
-
Orientated Strand Board
- OSBL
-
Online Stochastic Batch Learning
- OSC
-
Orbital Sciences Corporation
- OSC
-
Order of Saint Camillus
- OSC
-
Operations Support Center
- OSC
-
Operations Support Contract
- OSC
-
Optical Signatures Code
- OSC
-
Ookmeer Schinkelhaven Combinatie
- OSC
-
Olstse Sport Club
- OSC
-
Oosterhoutse Sport Club
- OSC
-
Orthense Sport Club
- OSCAR
-
Orbiting Satellite Carrying Amateur Radio
- OSCAR
-
Open Super-large Crawled ALMAnaCH coRpus
- OSCE
-
Organization for Security and Cooperation in Europe (www.osce.org)
OSCE is equivalent to OSCE (Organisation pour la Sécurité et la Coopération en Europe) in French.
- OSCF
-
Operations Support Computing Facility
- OSCN
-
Orbiter Specification Change Notice
The abbreviation OSCN (Orbiter Specification Change Notice) includes abbreviations CN (Change Notice) and SCN (Specification Change Notice).
- OSCR
-
Orbiter Software Change Request
The abbreviation OSCR (Orbiter Software Change Request) includes abbreviations SC (Software Change), CR (Change Request) and SCR (Software Change Request).
- OSCRS
-
Orbital Spacecraft Consumables Resupply System
- OSD
-
Office of the Secretary of Defense
- OSD
-
Open Source Definition
- OSD
-
Object Storage Device
- OSDH
-
Orbiter System Definition Handbook
- OSDL
-
Open Source Development Labs
The abbreviation OSDL (Open Source Development Labs) includes the abbreviation OS (Open Source).
OSDL is equivalent to OSDL (Open Source Development Lab) in English.
- OSDL
-
Open Source Development Lab
The abbreviation OSDL (Open Source Development Lab) includes the abbreviation OS (Open Source).
OSDL is equivalent to OSDL (see above).
- OSDO
-
Ons Samenspel Doet Overwinnen
- OSDPE
-
Office of the Secretary of Defense Program Element
- OSE
-
Open System Environment
- OSE
-
Operating Support Equipment
The abbreviation OSE (Operating Support Equipment) includes the abbreviation SE (Support Equipment).
- OSE
-
Orbital Support Equipment
The abbreviation OSE (Orbital Support Equipment) includes the abbreviation SE (Support Equipment).
- OSEM
-
Open Source Event Manager
The abbreviation OSEM (Open Source Event Manager) includes the abbreviation OS (Open Source).
- OSERA
-
Ohio Scientific Education & Research Association
- OSERS
-
Office of Special Education and Rehabilitative Services
- OSF
-
Open Software Foundation
- OSF
-
Orbiter Simulation Facility
- OSG
-
Openbare Scholengemeenschap
- OSGi
-
Open Services Gateway initiative (www.osgi.org)
- OSH
-
Oblates of the Sacred Heart
- OSHA
-
Occupational Safety and Health Administration (https://www.osha.gov/)
- OSHA
-
Occupational Safety and Health Act
- OSHA
-
Operating and Support Hazard Analysis
The abbreviation OSHA (Operating and Support Hazard Analysis) includes the abbreviation HA (Hazard Analysis).
- OSI
-
Open Systems Interconnection
- OSI
-
Otto-Suhr-Institut für Politikwissenschaft
- OSI
-
Open Source Initiative (https://opensource.org/)
The abbreviation OSI (Open Source Initiative) includes the abbreviation OS (Open Source).
- OSI
-
Open Society Institute
- OSI
-
Office of Strategic Influence
- OSI
-
Ordnance Survey Ireland
- OSI
-
Österreichisches Ost- und Südosteuropa-Institut (www.osi.ac.at)
- OSI
-
Onze Sport Inspireert
- OSID
-
Operating System Interface Definition
The abbreviation OSID (Operating System Interface Definition) includes the abbreviation OS (Operating System).
- OSID
-
Open Systems and Information Dynamics
- OSIM
-
Open Source In Morocco
The abbreviation OSIM (Open Source In Morocco) includes the abbreviation OS (Open Source).
- OSITOP
-
Open Systems Interconnection/Technical and Office Protocols
- OSJaJ
-
Oceanographical Society of Japan Journal
- OSM
-
On-Orbit Spares Model
- OSM
-
Operational Status Monitoring
- OSM
-
Orbiter Service Module
The abbreviation OSM (Orbiter Service Module) includes the abbreviation SM (Service Module).
- OSM
-
Omni Sportvereniging Maarssenbroek
- OSMP
-
Operational Support Maintenance Plan
- OSO
-
Ocean Systems Operation
- OSO
-
Orbiting Solar Observatory
- OSO
-
Omroep Sport Organisatie
- OSOP
-
Orbiter Systems Operating Procedure
The abbreviation OSOP (Orbiter Systems Operating Procedure) includes the abbreviation OP (Operating Procedure).
- OSP
-
Office of Space Planning
- OSPF
-
Open Shortest Path First
- OSPG
-
Österreichisch-Südpazifische Gesellschaft (www.univie.ac.at/ospg/)
- OSR
-
Oberster Sanitätsrat
- OSR
-
Operations Support Room
- OSR
-
Optical Surface Reflector
- OSR
-
Operation Scholastic Outreach
- OSRBD
-
Operational Software Reliability Benchmark Development
- OSS
-
Office of Space Sciences
- OSS
-
Optics Subsystem
- OSS
-
Orbiting Space Station
The abbreviation OSS (Orbiting Space Station) includes the abbreviation SS (Space Station).
- OSS
-
Oefening Staalt Spieren
- OSS
-
Open Source Software
The abbreviation OSS (Open Source Software) includes the abbreviation OS (Open Source).
- OSSA
-
Office of Space Science and Applications
- OSSA
-
Office of Space Sciences and Applications
- OSSA
-
Oxfordshire School Sports Association
- OSSAD
-
Office Support Systems Analysis and Design
The abbreviation OSSAD (Office Support Systems Analysis and Design) includes the abbreviation SS (Support System).
- OSSE
-
Oriented Scintillation Spectrometer Experiment
- OSSE
-
Observing System Simulation Experiment
- OSSIEC
-
Osun State Independent Electoral Commission
- OSSIU
-
Orbiter-Space Station Interface Unit
The abbreviation OSSIU (Orbiter-Space Station Interface Unit) includes the abbreviation SS (Space Station).
- OSSRH
-
Orbiter Subsystem Requirements Handbook
- OSST
-
Order of the Most Holy Trinity
- OSSTMM
-
Open Source Security Testing Methodology Manual
The abbreviation OSSTMM (Open Source Security Testing Methodology Manual) includes the abbreviation OS (Open Source).
- OSSTS
-
Optical Sight Sensor Test Station
The abbreviation OSSTS (Optical Sight Sensor Test Station) includes the abbreviation TS (Test Station).
- OST
-
Orbiter Support Trolley
- OST
-
Office of the Secretary of Transportation
- OSTA
-
Office of Space and Terrestrial Applications
- OSTC
-
Open Systems Testing Consortium
- OSTDS
-
Office of Space Tracking and Data Systems
- OSTF
-
Off-Site Test Facility
The abbreviation OSTF (Off-Site Test Facility) includes the abbreviation TF (Test Facility).
- OSTO
-
Office of Space Transportation Operations
- OSTP
-
Office of Science and Technology Policy
- OSTP
-
Orbiting System Test Plan
The abbreviation OSTP (Orbiting System Test Plan) includes the abbreviation TP (Test Plan).
- OSTS
-
Office of Space Transportation Systems
- OSV
-
Oostzaanse Sport Vereniging
- OSV
-
Overdinkelse Sport Vereniging
- OSWA
-
Organizational Systems Wireless Auditor
- OT
-
Onafhankelijk Toneel
- OT
-
Occupational Therapy
- OT&E
-
Operational Test and Evaluation
- OTA
-
Operational Trajectory Analysis
- OTA
-
Optical Telescope Assembly
- OTB
-
Orbiting Tanker Base
- OTC
-
Optical Test Chamber
- OTC
-
Orbiter Test Conductor
The abbreviation OTC (Orbiter Test Conductor) includes the abbreviation TC (Test Conductor).
- OTC
-
Over the Counter
- OTC
-
OpenSSL Technical Committee
- OTD
-
Operational Technical Documentation
- OTD
-
Orbiter Test Director
- OTDA
-
Office of Tracking And Data Acquisition
- OTE
-
Optical Test and Evaluation
- OTE
-
Orbital Transfer Equipment
- OTEA
-
United States Army Operational Test and Evaluation Agency
- OTEC
-
Operational Test and Evaluation Center
- OTEC
-
Ocean Thermal Energy Conversion
- OTF
-
Operational Time Fraction
- OTF
-
Optical Transfer Function
- OTFE
-
Oscillatory Thermocapillary Flow Experiment
- OTHB
-
Over-The-Horizon Backscatter
- OTK
-
Oxidizer Tank
- OTL
-
Office of Technology Licensing
- OTL
-
Online Tamil Lexicon
- OTL
-
OSI (Open Systems Interconnection) Testing Liaison
- OTL
-
Ordnance Test Laboratory
- OTLC
-
Orbiter Time Line Constraint
- OTM
-
Output Transformation Matrix
- OTOS
-
Orbit-To-Orbit Stage
- OTP
-
Omega Translation Process
- OTP
-
Operational Test Procedure
The abbreviation OTP (Operational Test Procedure) includes the abbreviation TP (Test Procedure).
- OTP
-
Operations Turnaround Plan
- OTP
-
The Old Testament Pseudepigrapha
- OTP
-
Outline Test Plan
The abbreviation OTP (Outline Test Plan) includes the abbreviation TP (Test Plan).
- OTP
-
One-Time Password
- OTPP
-
Ontario Teachers’ Pension Plan
- OTPS
-
Other Than Personal Services
- OTR
-
Operating Time Record
- OTS
-
Originaltext-Service
- OTS
-
Orbital Test System
- OTS
-
Orbital/Orbital Transfer System