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Top Abbreviations
Acronym > Term
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Term > Acronym
8
What does
OS
stand for?
What does
OS
mean? We have
415
definitions. Read most used
OS
meanings below.
Category:
All acronyms (415)
Airports & Locations (3)
Business & Finance (17)
Common (9)
Government & Military (49)
Medicine & Science (87)
Internet Slang, Chat Texting & Subculture (13)
Organizations, Education Schools etc. (24)
Technology, IT etc (41)
P.O. [LAT.: PER OS, PER OREM]
— by mouth
OS & E
— Operating Supplies & Equipment
MAC OS X
— Macintosh Operating System X
VA OS
— Left visual acuity
MAC OS
— Macintosh Operating System
OS
— Optimize for Size
OS
— Operating System
OS
— Austrian Airlines
OS
— Oculus Sinister
OS
— Offer specialist
OS
— Overall Survival
OS
— Out of Stock
OS
— Old School
OS
— Osmium
PER OS
— By mouth
OS
— Open Source
OS
— LEFT EYE
OS
— Old Stuff :-)
RISC OS
— Reduced Instruction Set Computer Operating System
OS
— Over the Shoulder
OS
— Operating Software
OS
— orthopedic surgery
OS
— Over Stock
OS
— Ordnance Survey
OS
— Operation System/Operation and Support/Output Specification
HHS OS
— Health and Human Services Office of the Secretary
OS
— mouth
OS
— Obsidian Sanctum
OS
— Observers School
OS
— Oral Surgery
OS
— On Sight
OS
— Oh Shoot
OS
— Overseas
OS
— Oregon Steel Mills, Inc.
OS (OC)
— Operations Staff (OC)
OS
— Orc Slayer
OS
— Off Screen
ENGR OS
— ENGINEER'S ORDINARY SEAMAN
OS
— Organ Series
OS
— Oliver Stone
OS X
— Mac Os X
OS
— Offentlig Sak
OS (CDER)
— Operations Staff (CDER)
OS
— Orbital Strike
OS
— Outsourcing Services
OS
— Office Support
OS
— Operational Security
OS
— One Side
OS
— Outlaw Star
OS
— On-Site
OS
— Oh, Shit
OS
— Opening Snap
OS
— on Service
OS
— Old Spice
OS
— Ordinary Seaman
OS
— Orthopedic Surgeon
OS
— On Schedule
OS
— Os Giken
OS
— Own Ship
OS
— On Scene
OS
— Osteogenic Sarcoma (bone tumors)
OS
— Oxygen Sensor
OS
— Oversold
OS
— Old Style
OS
— Offensive Support
OS
— opposite-sex
OS
— Overall Size
OS
— Optical Sight
OS
— Ocean Shores
OS
— Operator System
OS
— Outer Space
OS
— Oblates of Wisdom
OS
— Over Speed
OS
— On Station
OS
— Operations Specialist
OS
— Orioles
OS
— Off Subject
OS (CFSAN)
— Office of Seafood (CFSAN)
OS
— Observational Study
OS
— Oversize
OS
— Ocean Springs
OS
— Over Shield
OS
— Ocean Surveillance
OS
— Operations Squadron
OS
— Operative System
OS
— Operations Support
OS
— Outstation
OS
— Orlando Sentinel
OS
— Owen Sound
OS
— Onboard Software
OS
— Ouvrier Spécialisé
OS
— Output Status
OS
— Overshoot
OS
— Omaha Steaks
OS
— Open Sockets
OS
— Overtime Scheduled
OS
— ON Switch
OS
— Office of Security
OS
— Orbital Station
OS
— Observation Squadron
OS
— Olympiska Spelen
OS
— Only Son
OS
— Organized Stalking
OS
— Off Stage
OS
— Orgasms
OS
— Ossetian
OS
— Osijek, Croatia
OS
— One Size
OS
— Outdoor Skills
OS
— Otm Shank Jazz Quintet
OS
— osteogenic sarcoma
OS
— Operational Suitability
OS
— Operator Service
OS
— Operating Standard
OS
— Ohr Somayach
OS
— Open Skies treaty
OS
— Oberseminar
OS
— Over Sized
OS
— Operations Summary
OS
— Office of Sustainability
OS
— Old Saxon
OS
— Order Statistic
OS
— Output Spy
OS
— Office of the Solicitor
OS
— Operserv
OS
— Operational Support
OS
— Oil Separator
OS
— Office Superintendent
OS
— oligosaccharides
OS
— Optical Silicon
OS
— Ouabain-Sensitive
OS
— Operations Supervisor
OS
— Operation and Support
OS
— One-Shot
OS
— Organizational Support
OS
— Optic Cable
OS
— Omega Strain
OS
— Obiettivi Specifici
OS
— Opitz syndrome
OS
— Oxygen Saturation
RISC OS
— RISC Operating System
OS
— Oscillator
OS
— Ocular Sinister
OS
— Officer's Statement
OS
— Orme School
OS
— Optical System
OS
— Operating Strength
OS
— Ontario Southland Railway Inc.
OS
— Oxides, Streaky
OS
— Operating Supplies
OS
— Out of String
OS
— Organization Structure
OS
— Ocula sinistra
OS
— Output Signal
OS
— oligosaccharide material
OS
— Oxygen Saturated
OS
— Open Stoping
OS
— Orthopterists' Society
OS
— Object space
OS
— Orienting Station
OS
— survival rate
OS
— Object Slice
OS
— On-Orbit Station
OS
— Office System
OS
— Output Specification
OS
— oligosyndactyly
OS
— Ogawa Shigeo
OS
— Oswaldo Sosa
OS
— Optical Switch
OS
— Official Statement
OS
— Open Skies
OS
— Operations Section
OS
— Operacní systém
OS
— Ohio Supreme
OS
— open surgery
OS
— Ole Syversen
OS
— O.S. Systems, Inc.
OS
— survival time
OS
— Organic Semiconductor
OS
— Outer Segment
OS
— Operational Sequence
OS
— Office of the Secretary
OS
— Ocean Sciences
OS
— Operator Station
OS
— Open Street
OS
— Octahedral Site
OS
— otherwise specified
OS
— Overseas Studies
OS
— osteosynthesis
OS
— Opposite Strand
OS
— Ossetic Language (ISO 639-1 Code)
OS
— Operationally Suitable
OS
— Out Stipple
OS
— Object Services
OS
— Organic Synthesis
OS
— OPtics Subsystem
OS
— Organizzazioni Speciali
OS
— Optical Station
OS
— Left eye (oculus sinister)
OS
— Optical Section
OS
— Omnibus Society
OS
— Organic Signal
OS
— Oculus Sinister - Left Eye
OS
— Ordnance Systems
OS
— Office of Science
OS
— Origins Subcommittee
OS
— Origination Service
OS
— Optical Spectroscopy
OS
— Oral Surgeon
OS
— Organ Specific
OS
— orbitale superius
OS
— obese
OS
— Ordinance System
OS
— Oregon State
OS
— Out Sized
OS
— open splenectomy
OS
— Oxford School
OS
— Oslo
OS
— Old Shinola
OS
— ORB Servers
OS
— Online Service
OS
— obese subjects
OS
— Originating Subaddress
OS
— Ordens de Serviço
OS
— Opitz Frias syndrome
OS
— Outside scope
OS
— Output System
OS
— Observer Support
OS
— Oakland Schools
OS
— office of space
OS
— Overspeed
OS
— Osteosclerosis
OS
— Oil Shale
OS
— Other Source
OS
— Office of Solid
OS
— Operationalizing the Strategy
OS
— ouabain sensitivity
OS
— Oakwood School
OS
— osteoid surface
OS
— Ordnance Specification
OS
— Open Space
OS
— Osteosarcoma
OS
— Optical Spectrograph
OS
— Object Store
OS
— Out Stretching
OS
— Organizational Studies
OS
— ordinal scale
OS
— Ordinance Survey
OS
— Orion School
OS
— Opportunity to Serve
OS
— O Sullivan
OS
— Oxidative Stress
OS
— Orbital Servicing
OS
— Osseous System
OS
— OutState
OS
— Outstanding Student
OS
— Other supplementary
OS
— Office of Supply
OS
— Overleg Studieverenigingen
OS
— Outer Shell
OS
— Oldfields School
OS
— Official Site
OS
— Oh Starcraft
OS
— Oral Solution
OS
— Optic Sensor
OS
— Other Singer
OS
— orthognathic surgery
OS
— Operations Strategy
OS
— Office of Safety
OS
— ordered subsets
OS
— Operations System
OS
— Operation Suitability
OS
— Occupational Skills
OS
— Omenn syndrome
OS
— Optical Sciences
OS
— Operational Shakedown & Cutover
OS
— Original Special
OS
— osteogenic supplement
OS
— Old Skool
OS
— Officers School
OS
— Old Silcoatian
OS
— Ocimum sanctum
OS
— open service
OS
— Optimal Strategy
OS
— Optical Stabilizer (Sigma brand).
OS
— Opera for Symbian
OS
— Old Stone
OS
— Outside State
OS
— Oil Switch
OS
— Office of Scheduling
OS
— Optical Spectrum
OS
— Open Server
OS
— Ordinary Strength (Steel)
OS
— Outlaw Shark
OS
— oligomycin-sensitive
OS
— Overlap Syndrome
OS
— Operational Superintendence
OS
— Operational Supplement
OS
— Orzya Sativa
OS
— Optical Scan
OS
— Oil Sump
OS
— osteopathia striata
OS
— Oil-Soluble
OS
— Offshore Storage
OS
— Outstanding Science
OS
— Ofna Serpent
OS
— Object Summary
OS
— one signal
OS
— Open Session
OS
— On Sea
OS
— OStium (mouth)
OS
— Osgood-Schlatter
OS
— Official Solicitor
OS
— outer stripe
OS
— Officer of Subsidiary
OS
— Obsidian Stronghold
OS
— Oxygen Storage
OS
— orectic stimulus
OS
— osteopetrotic
OS
— Opetating Systems
OS
— Ordered Structure
OS
— Overtly Similar
OS
— oestrone sulphate
OS
— oligosyndactylism
OS
— Oceanography Section
OS
— Open Seasons
OS
— Bone
OS
— Optical Spectrometer
OS
— Options Secondary
OS
— Office of Secretary
OS
— Optibond Solo
OS
— Oughtred Society
OS
— Old Sebilis
OS
— Orbital Systems
OS
— Ozone Science
OS
— Optical Sender
OS
— Optical Site
OS
— Orthogonal System
OS
— Oblique Sounding
OS
— Optical Spectrometry
OS
— ovarian stimulation
OS
— OP Shcheglov
OS
— Ordered Sets
OS
— Objectum-Sexuals
OS
— Organizzazione Sindacale
OS
— Overlapping Spheres (method)
OS
— Ohtahara syndrome
OS
— oubain sensitivity
OS
— Orbiting Sample
OS
— Office of the Sheriff
OS
— Operating Stress
OS
— Orbiter CEI Specification
OS
— Oxidation-Sulfidation
OS
— Organizational Strength
OS
— Old Syriac
OS
— oral sucker
OS
— Occupational Safety
OS
— Oil Stain
OS
— Optical fiber Singlemode category
OS
— Ordered Scattering
OS
— Oceanic Society
OS
— Opto Semiconductors
OS
— oligohydramnios sequence
OS
— Optical Shop
OS
— One-Step
OS
— Obese strain
OS
— ozone safe
OS
— Olympic Style
OS
— Ordnance School
OS
— Objectum-Sexuality
OS
— Office Surgery
OS
— Original shipper
OS
— Office Saturday
OS
— Orleans Server
OS
— Omenn's syndrome
OS
— Offensive Statistics
OS
— Oil Sampling
OS
— Oil Sand
OS
— Outer Sensor
OS
— Open Sunday
OS
— Odd Symmetric
OS
— Organisert Sabotasje
OS
— occipitosacral
OS
— Omega System
OS
— Other Specifications
OS
— Ohio Superstar
OS
— Overview Spanish
OS
— Oil Solubility
OS
— Organization Speciale
OS
— Optical Spectroscope
OS
— Office Screenshots
OS
— Oil Sample
OS
— outstanding scenic
OS
— Overview Sensor
OS
— Other Site
OS
— Optometry Scotland
OS
— oxysterols
OS
— Obstructive Sleep
OS
— Ocala Stud
OS
— Ohio State
OS
— Ordnance Society
OS
— Ozone Scientist
OS
— Operatig System
OS
— Open System
OS
— Offshore Steel
OS
— Observation Section
OS
— Overhauser Shift
OS
— Ostrogradsky Number
OS
— Outbound Streams
OS
— Oil Spill
OS
— Oliver Smart
OS
— Officer's Steward
OS
— other strategies
OS
— Outgoing Suspense
OS
— Optional Stopping
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