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What does SI stand for?

showing only Military and Government definitions (Show all)

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Rank Abbr.Meaning
SIStatutory Instrument (UK Legislation term)
SIStandardization (Flight) Instructor
SISystem Interface
SISoftware Item
SISite Inspection
SIService Index
SISpecial Instruction
SISpecial Intelligence
SISpecial Inspection
SISolution Implementation
SISummons Issued
SISecurity Inspector
SISensitivity Information
SIShipping Instruction
SISkill Identifier (US Army)
SISurveillance and Intelligence
SISafeguards Information
SIStandardization and Interoperability
SISurveillance Index
SIStraight-In Approach
SISergeant Instructor
SISummary Investigation
SISupporting Installation
SISponsor Identification
SISurveyor Intern
SISelective Interchange
SISafety/Site Inspection
SISignaling Intelligence
SISlave Illuminator

showing only Military and Government definitions (show all 155 definitions)

Note: We have 92 other definitions for SI in our Acronym Attic

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