In English
- Code
-
Meaning
Language
Themes and places
- OMM
-
Outer Mitochondrial Membrane
In English
- OMMH
-
Orbiter Maintenance Man-Hour
In English
- OMMI
-
Oblate Missionaries of Mary Immaculate
= OMMI | Oblates Missionnaires de Marie Immaculée | In French
= OMMI | Oblatas Misioneras de Maria Inmaculada | In Spanish
= OMMI | Oblate Missionarie di Maria Immacolata | In ItalianIn English
- OMP
-
Operating Maintenance Plan
In English
- OMP
-
Operations and Maintenance Plan
In English
- OMPF
-
Official Military Personnel File
In English
- OMPR
-
Operational Maintainability Problem Reporting
The abbreviation OMPR (Operational Maintainability Problem Reporting) includes the abbreviation PR (Problem Report).
In English
- OMPT
-
Observed Mass Point Trajectory
In English
- OMR
-
Optical Mark Recognition
In English
- OMR
-
Operations and Maintenance Requirement
In English
- OMR
-
Operations Management Room
In English
- OMR
-
Orbiter Management Review
The abbreviation OMR (Orbiter Management Review) includes the abbreviation MR (Management Review).
In English
- OMRB
-
Operating Material Review Board
The abbreviation OMRB (Operating Material Review Board) includes abbreviations MR (Material Review), MRB (Material Review Board) and RB (Review Board).
In English
- OMRC
-
Operational Maintenance Requirements Catalog
In English
- OMRF
-
Orbiter Maintenance and Refurbishment Facility
In English
- OMRF
-
Orbiter Modification and Refurbishment Facility
In English
- OMRP
-
Operations and Maintenance Requirements Plan
In English
- OMRS
-
Operations and Maintenance Requirements and Specifications
In English
- OMRS
-
Operations and Maintenance Requirements System
In English
- OMRSCB
-
Operations and Maintenance Requirements and Control Board
The abbreviation OMRSCB (Operations and Maintenance Requirements and Control Board) includes the abbreviation CB (Control Board).
In English
- OMRSD
-
Operations and Maintenance Requirements and Specifications Document
In English
- OMS
-
Orbital Maneuvering System
In English
- OMS
-
Operations Management System
In English
- OMSP
-
Operational Maintenance Support Plan
In English
- OMSP
-
Open Market Selling Price
In English
- OMT
-
Osteopathic Manipulative Treatment
In English
- OMT
-
Object-Modeling Technique
In English
- OMU
-
Optical Measuring Unit
In English
- OMV
-
Orbital Maneuvering Vehicle
In English
- OMV
-
Oxygen Manual Valve
The abbreviation OMV (Oxygen Manual Valve) includes the abbreviation MV (Manual Valve).
In English
- OMVS
-
Optically Variable Magnetic Stripe
In English
- ONAMA
-
Ontology of Narratives of the Middle Ages
In English
- ONBT
-
Orbiter Neutral Buoyancy Trainer
In English
- OND
-
Operator Need Date
In English
- ONE
-
Organisation Naturiste Européenne (www.onenaturism.com)
In English
- ONGC
-
Oil and Natural Gas Corporation (www.ongcindia.com)
In English
- ONGC
-
Office des Normes Générales du Canada
In English
- ONNX
-
Open Neural Network Exchange
In English
- ONNXRT
-
Open Neural Network Exchange Runtime
In English
- ONR
-
Office of Naval Research
In English
- ONRAS
-
Occasional Notes of the Royal Astronomical Society
In English
- ONT
-
Optical Network Terminal
In English
- ONT
-
Ontario International Airport (https://www.flyontario.com/)
In English
- OOD
-
Object-Oriented Design
In English
- OOD
-
Orbiter On Dock
In English
- OODP
-
Out-Of-Detent Pitch
In English
- OODR
-
Out-Of-Detent Roll
In English
- OOH
-
Orbital Operations Handbook
In English
- OOMM
-
Organizational Operations and Maintenance Manual
In English
- OOP
-
Over Optimization Penalty
In English
- OOR
-
On-Orbit Review
In English
- OOS
-
On-Orbit Station
In English
- OOS
-
Orbit-to-Orbit Shuttle
In English
- OOS
-
Orbit-to-Orbit Stage
In English
- OOSD
-
On-Orbit Support Document
In English
- OOSD
-
Orbital Operations Support Document
In English
- OOSDP
-
On-Orbit Station Distribution Panel
In English
- OOSS
-
On-Orbit Support System
In English
- OP
-
Operating Procedure
The abbreviation OP (Operating Procedure) is included in abbreviations such as CSOP (Crew Systems Operating Procedure), SOP (Standard Operating Procedure), JOP (Joint Operating Procedure), NOP (Normal Operating Procedure), OSOP (Orbiter Systems Operating Procedure), QAOP (Quality Assurance Operating Procedure), QCOP (Quality Control Operating Procedure), SOP (Subsystems Operating Procedure), SSOP (Space Systems Operating Procedure), TOP (Technical Operating Procedure) and DOP (Detailed Operating Procedure).
In English
- OP
-
Optional Protocol
= PF | Protocole Facultatif | In French
In English
- OP&R
-
Operations Planning and Requirements
In English
- OPA
-
Online Publishers Association (www.online-publishers.org)
In English
- OPA
-
Operations Planning Analysis
In English
- OPA
-
Ontario Psychological Association (https://www.psych.on.ca/)
In English
- OPA
-
Other Procurement, Army
In English
- OPAC
-
Online Public Access Catalog
In English
- OPB
-
Oxidizer Preburner
In English
- OPBS
-
Orbiter Payload Bay Simulator
In English
- OPC
-
Open Process Control
In English
- OPC
-
Optical Power Calibration
In English
- OPC
-
Opel Performance Center
In English
- OPC
-
OLE for Process Control
In English
- OPC
-
Oligodendrocy Precursor Cell
In English
- OPC
-
Organic Photo Conductor
In English
- OPC
-
Orthodox Presbyterian Church (www.opc.org)
In English
- OPC
-
Optical Proximity Correction
In English
- OPC
-
Optimum Picture Control
In English
- OPCs
-
Oligodendrocyte Progenitor Cells
In English
- OPD
-
Optical Path Difference
In English
- OPDAR
-
Optical Detection and Ranging
In English
- OPDS
-
Organ on Politics, Defence and Security
In English
- OPE
-
Operational Processing Equipment
In English
- OPEC
-
Organization of the Petroleum Exporting Countries
= 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 MacedonianIn English
- OPEIU
-
Office and Professional Employees International Union
In English
- OPEX
-
OPerational Expenditure
In English
- OPF
-
Orbiter Processing Facility
In English
- OPGL
-
Osteoprotegerin Ligand
In English
- OPI
-
Operations Procedure Instruction
In English
- OPI
-
Orbiter Payload Interrogator
In English
- OPIDF
-
Operational Planning Identification File
In English
- OPIS
-
Orbiter Prime Item Specification
In English
- OPK
-
Ovulation Predictor Kit
In English
- OPL
-
Open Problem List
In English
- OPL
-
Orbiter Project Parts List
In English
- OPL
-
Open Proxy List
In English
- OPLF
-
Orbiter Processing and Landing Facility
In English
- OPM
-
Operations Procedure Manual
In English
- OPM
-
Outer Planet Mission
In English
- OPM
-
Office of Personnel Management
In English
- OPML
-
Outline Processor Markup Language
In English
- OPN
-
Osteopontin
In English
- OPO
-
Orbiter Project Office
The abbreviation OPO (Orbiter Project Office) includes the abbreviation PO (Project Office).
In English
- OPOV
-
Oxidizer Preburner Oxidizer Valve
In English
- OPPAR
-
Orbiter Project Parts Authorization Request
In English
- OPPF
-
Oxford Protein Production Facility
In English
- OPPS
-
Operations Planning and Project Support
In English
- OPR
-
Office of Primary Responsibility
In English
- OPR
-
Operations Planning Review
In English
- OPR
-
Orbiter Payload Recorder
In English
- OPR
-
Oxygen Pressure Regulator
In English
- OPRV
-
Oxygen Pressure Relief Valve
In English
- OPS
-
Operational Sequence
In English
- OPS
-
Orbiter Project Schedule
In English
- OPS
-
Oxygen Purge System
In English
- OPSA
-
OSSTMM Professional Security Analyst
In English
- OPSDB
-
Operations Data Base
The abbreviation OPSDB (Operations Data Base) is included in the abbreviation OPSDBA (Operations Data Base Administrator), and it includes the abbreviation DB (Data Base).
In English
- OPSDBA
-
Operations Data Base Administrator
The abbreviation OPSDBA (Operations Data Base Administrator) includes abbreviations DB (Data Base) and OPSDB (Operations Data Base).
In English
- OPSE
-
OSSTMM Professional Security Expert
In English
- OPSEC
-
Operational Security
In English
- OPSS
-
Orbital Propellant Storage Subsystem
In English
- OPST
-
OSSTMM Professional Security Tester
In English
- OPT
-
Operational Pressure Transducer
In English
- OPTB
-
Operational Program Time Base
In English
- OPV
-
Offshore Patrol Vessel
In English
- OPWC
-
Organisation for the Prohibition of Chemical Weapons (www.opcw.org)
= OIAC | Organisation pour l'Interdiction des Armes Chimiques | In French
In English
- OPWS
-
Orbital Payload Work Station
In English
- OQE
-
Optical and Quantum Electronics
In English
- OQL
-
Object Query Language
In English
- OR
-
Organized Research
In English
- ORA
-
Operational Requirements Analysis
In English
- ORAC
-
Oxygen Radical Absorbance Capacity
In English
- ORAM
-
Output Random Access Memory
The abbreviation ORAM (Output Random Access Memory) includes the abbreviation RAM (Random Access Memory).
In English
- ORB
-
Object Request Broker
In English
- ORB
-
Operations Review Board
The abbreviation ORB (Operations Review Board) includes the abbreviation RB (Review Board).
In English
- ORC
-
Operations Request Card
In English
- ORCHIS
-
Oak Ridge Computerized Hierarchical Information System
In English
- ORCUS
-
Orbital Recording Capability and Update System
In English
- ORD
-
Operational Readiness Data
In English
- ORD
-
Operational Ready Data
In English
- ORD
-
Operations Requirements Document
The abbreviation ORD (Operations Requirements Document) includes the abbreviation RD (Requirements Document).
In English
- ORD
-
Orbital Requirements Document
The abbreviation ORD (Orbital Requirements Document) includes the abbreviation RD (Requirements Document).
In English
- ORD
-
Office of Rare Diseases (http://rarediseases.info.nih.gov)
In English
- ORDBMS
-
Object-Relational Database Management System
In English
- ORDI
-
Ontology Representation and Data Integration
In English
- ORE
-
Output Request Element
In English
- ORF
-
Observer Research Foundation
In English
- ORFEUS
-
Observatories and Research Facilities for EUropean Seismology (http://orfeus.knmi.nl)
In English
- ORI
-
Operational Readiness Inspection
In English
- ORI
-
Ocean Research Institute (www.ori.u-tokyo.ac.jp)
In English
- ORIENT
-
Oriental Research Infrastructure to European Networks
In English
- ORIS
-
Office of Research and Information Systems
In English
- ORLA
-
Optimum Repair Level Analysis
In English
- ORM
-
Operational Reactivity Margin
In English
- ORP
-
OFS Retransmission Processor
In English
- ORP
-
Optional Retirement Program
In English
- ORR
-
Operational Readiness Review
The abbreviation ORR (Operational Readiness Review) includes the abbreviation RR (Readiness Review).
In English
- 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).
In English
- ORRCA
-
Ontario Research Centre for Computer Algebra (www.orcca.on.ca)
In English
- ORROE
-
Occasional Reports of the Royal Observatory Edinburgh
In English
- ORS
-
Outer Root Sheath
In English
- ORS
-
Orbital Refueling System
In English
- ORS
-
Orbital Reservicing System
In English
- ORS
-
Orbital Resupply System
In English
- ORSDI
-
Oak Ridge Selective Dissemination of Information
In English
- ORT
-
Operational Readiness Test
In English
- ORT
-
Orbit Readiness Test
In English
- ORU
-
Orbital Replaceable Unit
In English
- ORU
-
Orbital Replacement Unit
In English
- ORV
-
Orbital Research Vehicle
In English
- OS
-
On-orbit Station
In English
- OS
-
Operating Software
In English
- OS
-
Operating System
The abbreviation OS (Operating System) is included in abbreviations such as FMA (Finanzmarktaufsicht), BOS (Backup Operating System), COS (Console Operating System), EOS (Extended Operating System), FCOS (Flight Computer Operating System), FCOS (Flight Control Operating System), MS-DOS (Microsoft Disk Operating System), GCOS (Ground Computer Operating System), HOS (Hybrid Operating System), IDOS (Integrated Display Operating System), MSDOS (Mass Storage Digital Operating System), OSID (Operating System Interface Definition), POSIX (Portable Operating System Interface), DOS (Disk Operating System), RDOS (Real-Time Disk Operating System), SCOS (Subsystem Computer Operating System), TOS (Test Operating System), ECOS (Experiment Computer Operating System), QDOS (Quick and Dirty Operating System), MOS (Machine Operating System), PC-DOS (Personal Computer Disk Operating System), TOS (Tape Operating System), RTOS (Real-Time Operating System), CNOS (Communication Network Operating System), BDOS (Basic Disk Operating System), ROSS/V (RSTS/E Operating System Simulator for VAX), WOS (Web Operating System), BOS (Base Operating System), DTOS (Distributed Trusted Operating System), DROPS (Dresden Real-Time Operating System Project), COS (Cray Operating System) and FOS (Factored Operating System).
In English
- OS
-
Orbiter CEI Specification
In English
- 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).
In English
- OSA
-
Oklahoma Sociological Association
In English
- OSA
-
Operational Support Area
The abbreviation OSA (Operational Support Area) includes the abbreviation SA (Support Area).
In English
- OSA
-
Ordered-Subset Analysis
In English
- OSA
-
Operational Support Airlift
In English
- OSAJ
-
Optical Society of America Journal
In English
- OSAJI
-
Optical Society of America Journal - Optics and Image Science
In English
- OSALL
-
Organisation of South African Law Libraries
In English
- OSART
-
Operational Safety Assessment Review Team
In English
- OSB
-
Order of Saint Benedict
In English
- OSB
-
Orientated Strand Board
In English
- OSBL
-
Online Stochastic Batch Learning
In English
- OSC
-
Orbital Sciences Corporation
In English
- OSC
-
Order of Saint Camillus
In English
- OSC
-
Operations Support Center
In English
- OSC
-
Operations Support Contract
In English
- OSC
-
Optical Signatures Code
In English
- OSCAR
-
Orbiting Satellite Carrying Amateur Radio
In English
- OSCAR
-
Open Super-large Crawled ALMAnaCH coRpus
In English
- OSCE
-
Organization for Security and Cooperation in Europe (www.osce.org)
= OSCE | Organisation pour la Sécurité et la Coopération en Europe | In French
In English
- OSCF
-
Operations Support Computing Facility
In English
- OSCN
-
Orbiter Specification Change Notice
The abbreviation OSCN (Orbiter Specification Change Notice) includes abbreviations CN (Change Notice) and SCN (Specification Change Notice).
In English
- OSCR
-
Orbiter Software Change Request
The abbreviation OSCR (Orbiter Software Change Request) includes abbreviations CR (Change Request), SC (Software Change) and SCR (Software Change Request).
In English
- OSCRS
-
Orbital Spacecraft Consumables Resupply System
In English
- OSD
-
Office of the Secretary of Defense
In English
- OSD
-
Open Source Definition
In English
- OSDH
-
Orbiter System Definition Handbook
In English