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Word(s) in meaning: chat  "global warming"
Postal codes: USA: 81657, Canada: T5A 0A7

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What does OS stand for?

Your abbreviation search returned 109 meanings
showing only Military and Government definitions (Show all)

Category Filters >  All
definitions (109)
Information
Technology (14)
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Government (32)
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Medicine (21)
Organizations,
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Slang, Chat &
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RankAbbr.Meaning
******OSOn Schedule
******OSOne Side
******OSOffice of the Secretary
******OSOverseas
******OSOffice Support
******OSOrdnance Survey
******OSAustrian Airlines (IATA airline code)
******OSOperational Security
*****OSOn Scene
*****OSOnly Son
*****OSOperations Specialist (USN Rating)
*****OSOwn Ship
****OSOrganizational Support
****OSOnboard Software
****OSOcean Surveillance
****OSOrdinary Seaman
****OSOffice of Security
****OSOrdinary Seaman (Canadian naval rank)
****OSOperations Squadron
****OSOrbital Station
****OSOffice of Systems
****OSOffensive Support
****OSOptical Sight
***OSOpen Skies treaty
***OSOfficer's Statement (performance evaluation)
***OSObservation Squadron
***OSOperational Suitability
**OSOvertime Scheduled
**OSOperationalizing the Strategy
**OSOrganic Signal
**OSOrienting Station (surveyed reference location for artillery position)
**OSOrdnance Specification
showing only Military and Government definitions (show all 109 definitions)
Note: We have 67 other definitions for OS in our Acronym Attic

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<< PreviousAbbreviation Database SurferNext >>
ORWRDP
ORWRP
ORWW
ORX
ORXM
ORY
ORYA
ORYC
ORYLAX
ORZS
OS X
OS&D
OS&E
OS&H
OS&Q
OS&Y
OS-
OS-21
OS-9
OS-9000

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