Multilingual dictionary of abbreviations

Abbreviations in English

→ In English
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Code

Meaning

Language

Themes and places

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)

      OPWC is equivalent to 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

            The abbreviation ORLA (Optimum Repair Level Analysis) includes the abbreviation RLA (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 is equivalent to 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

                    OSD

                    Object Storage Device

                    In English

                    OSDH

                    Orbiter System Definition Handbook

                    In English

                    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.

                    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).

                    In English

                    OSDPE

                    Office of the Secretary of Defense Program Element

                    In English

                    OSE

                    Open System Environment

                    In English

                    OSE

                    Operating Support Equipment

                    In English

                    OSE

                    Orbital Support Equipment

                    In English

                    OSEM
                    Open Source Event Manager

                    The abbreviation OSEM (Open Source Event Manager) includes the abbreviation OS (Open Source).

                    In English

                    OSERA

                    Ohio Scientific Education & Research Association

                    In English

                    OSERS

                    Office of Special Education and Rehabilitative Services

                    In English

                    OSF

                    Open Software Foundation

                    In English

                    OSF

                    Orbiter Simulation Facility

                    In English

                    OSGi

                    Open Services Gateway initiative (www.osgi.org)

                    In English

                    OSH

                    Oblates of the Sacred Heart

                    In English

                    OSHA

                    Occupational Safety and Health Administration (https://www.osha.gov/)

                    In English

                    OSHA

                    Occupational Safety and Health Act

                    In English

                    OSHA
                    Operating and Support Hazard Analysis

                    The abbreviation OSHA (Operating and Support Hazard Analysis) includes the abbreviation HA (Hazard Analysis).

                    In English

                    OSI

                    Open Systems Interconnection

                    In English

                      OSI
                      Open Source Initiative (https://opensource.org/)

                      The abbreviation OSI (Open Source Initiative) includes the abbreviation OS (Open Source).

                      In English

                      OSI

                      Open Society Institute

                      In English

                      OSI

                      Office of Strategic Influence

                      In English

                        OSI

                        Ordnance Survey Ireland

                        In English

                        OSID
                        Operating System Interface Definition

                        The abbreviation OSID (Operating System Interface Definition) includes the abbreviation OS (Operating System).

                        In English

                        OSID

                        Open Systems and Information Dynamics

                        In English

                        OSIM
                        Open Source In Morocco

                        The abbreviation OSIM (Open Source In Morocco) includes the abbreviation OS (Open Source).

                        In English

                        OSITOP

                        Open Systems Interconnection/Technical and Office Protocols

                        In English

                          OSJaJ

                          Oceanographical Society of Japan Journal

                          In English

                          OSM

                          On-Orbit Spares Model

                          In English

                          OSM

                          Operational Status Monitoring

                          In English

                          OSM
                          Orbiter Service Module

                          The abbreviation OSM (Orbiter Service Module) includes the abbreviation SM (Service Module).

                          In English

                          OSMP

                          Operational Support Maintenance Plan

                          In English

                          OSO

                          Ocean Systems Operation

                          In English

                            OSO

                            Orbiting Solar Observatory

                            In English

                            OSOP
                            Orbiter Systems Operating Procedure

                            The abbreviation OSOP (Orbiter Systems Operating Procedure) includes the abbreviation OP (Operating Procedure).

                            In English

                            OSP

                            Office of Space Planning

                            In English

                            OSPF

                            Open Shortest Path First

                            In English

                            OSR

                            Operations Support Room

                            In English

                            OSR

                            Optical Surface Reflector

                            In English

                            OSR

                            Operation Scholastic Outreach

                            In English

                            OSRBD

                            Operational Software Reliability Benchmark Development

                            In English

                            OSS

                            Office of Space Sciences

                            In English

                            OSS

                            Optics Subsystem

                            In English

                            OSS
                            Orbiting Space Station

                            The abbreviation OSS (Orbiting Space Station) includes the abbreviation SS (Space Station).

                            In English

                            OSS
                            Open Source Software

                            The abbreviation OSS (Open Source Software) includes the abbreviation OS (Open Source).

                            In English

                            OSSA

                            Office of Space Science and Applications

                            In English

                            OSSA

                            Office of Space Sciences and Applications

                            In English

                            OSSA

                            Oxfordshire School Sports Association

                            In English

                            OSSAD
                            Office Support Systems Analysis and Design

                            The abbreviation OSSAD (Office Support Systems Analysis and Design) includes the abbreviation SS (Support System).

                            In English

                            OSSE

                            Oriented Scintillation Spectrometer Experiment

                            In English

                            OSSE

                            Observing System Simulation Experiment

                            In English

                            OSSIEC

                            Osun State Independent Electoral Commission

                            In English

                            OSSIU
                            Orbiter-Space Station Interface Unit

                            The abbreviation OSSIU (Orbiter-Space Station Interface Unit) includes the abbreviation SS (Space Station).

                            In English

                            OSSRH

                            Orbiter Subsystem Requirements Handbook

                            In English

                            OSST

                            Order of the Most Holy Trinity

                            In English

                            OSSTMM
                            Open Source Security Testing Methodology Manual

                            The abbreviation OSSTMM (Open Source Security Testing Methodology Manual) includes the abbreviation OS (Open Source).

                            In English

                            OST

                            Orbiter Support Trolley

                            In English

                            OST

                            Office of the Secretary of Transportation

                            In English

                            OSTA

                            Office of Space and Terrestrial Applications

                            In English

                            OSTC

                            Open Systems Testing Consortium

                            In English

                            OSTDS

                            Office of Space Tracking and Data Systems

                            In English

                            OSTF
                            Off-Site Test Facility

                            The abbreviation OSTF (Off-Site Test Facility) includes the abbreviation TF (Test Facility).

                            In English

                            OSTO

                            Office of Space Transportation Operations

                            In English

                            OSTP

                            Office of Science and Technology Policy

                            In English

                            OSTP
                            Orbiting System Test Plan

                            The abbreviation OSTP (Orbiting System Test Plan) includes the abbreviation TP (Test Plan).

                            In English

                            OSTS

                            Office of Space Transportation Systems

                            In English

                            OSWA

                            Organizational Systems Wireless Auditor

                            In English

                            OT

                            Occupational Therapy

                            In English

                            OT&E

                            Operational Test and Evaluation

                            In English

                            OTA

                            Operational Trajectory Analysis

                            In English

                            OTA

                            Optical Telescope Assembly

                            In English

                            OTB

                            Orbiting Tanker Base

                            In English

                            OTC

                            Optical Test Chamber

                            In English

                            OTC
                            Orbiter Test Conductor

                            The abbreviation OTC (Orbiter Test Conductor) includes the abbreviation TC (Test Conductor).

                            In English

                            OTC

                            Over the Counter

                            In English

                            OTC

                            OpenSSL Technical Committee

                            In English

                            OTD

                            Operational Technical Documentation

                            In English

                            OTD

                            Orbiter Test Director

                            In English

                            OTDA

                            Office of Tracking And Data Acquisition

                            In English

                            OTE

                            Optical Test and Evaluation

                            In English

                            OTE

                            Orbital Transfer Equipment

                            In English

                            OTEA

                            United States Army Operational Test and Evaluation Agency

                            In English

                            OTEC

                            Operational Test and Evaluation Center

                            In English

                            OTEC

                            Ocean Thermal Energy Conversion

                            In English

                            OTF

                            Operational Time Fraction

                            In English

                              OTF

                              Optical Transfer Function

                              In English

                              OTFE

                              Oscillatory Thermocapillary Flow Experiment

                              In English

                                OTHB

                                Over-The-Horizon Backscatter

                                In English

                                  OTK

                                  Oxidizer Tank

                                  In English

                                  OTL

                                  Office of Technology Licensing

                                  In English

                                  OTL

                                  Online Tamil Lexicon

                                  In English

                                  OTL

                                  OSI (Open Systems Interconnection) Testing Liaison

                                  In English

                                  OTL

                                  Ordnance Test Laboratory

                                  In English

                                  OTLC

                                  Orbiter Time Line Constraint

                                  In English

                                  OTM

                                  Output Transformation Matrix

                                  In English

                                    OTOS

                                    Orbit-To-Orbit Stage

                                    In English

                                    OTP

                                    Omega Translation Process

                                    In English

                                      OTP
                                      Operational Test Procedure

                                      The abbreviation OTP (Operational Test Procedure) includes the abbreviation TP (Test Procedure).

                                      In English

                                      OTP

                                      Operations Turnaround Plan

                                      In English

                                      OTP

                                      The Old Testament Pseudepigrapha

                                      In English

                                      OTP
                                      Outline Test Plan

                                      The abbreviation OTP (Outline Test Plan) includes the abbreviation TP (Test Plan).

                                      In English

                                      OTP

                                      One-Time Password

                                      In English

                                      OTPP

                                      Ontario Teachers’ Pension Plan

                                      In English

                                      OTPS

                                      Other Than Personal Services

                                      In English

                                        OTR

                                        Operating Time Record

                                        In English

                                        OTS

                                        Orbital Test System

                                        In English

                                        OTS

                                        Orbital/Orbital Transfer System

                                        In English

                                        OTT

                                        Optional Team Targeting

                                        In English

                                        OTV
                                        Operational Television

                                        The abbreviation OTV (Operational Television) includes the abbreviation TV (Television).

                                        In English

                                        OTV

                                        Orbit Test Vehicle

                                        In English

                                        OTV

                                        Orbital Transfer Vehicle

                                        In English

                                        OUI

                                        Office of Urban Initiatives

                                        In English

                                          OUP

                                          Oxford University Press (https://global.oup.com/)

                                          In English

                                          OUPP

                                          Office for University Preparatory Programs

                                          In English

                                          OUT

                                          Orbiter Utility Tray

                                          In English

                                          OV

                                          Order Voucher

                                          In English

                                            OV

                                            Orbital Vehicle

                                            In English

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