What does SI Stand for?

Browse 359 acronyms and abbreviations related to SI.

  • Icelandic Society for Information
  • Normalized Subthreshold Swing
  • Sacroiliac Joint
  • Sailing Instruction
  • Saturation Index
  • Scalable Infrastructure
  • Schweizer Informatiker Gesellschaft
  • Science Instrument (Hubble Telescope)
  • Scientific Instrumentation
  • Scientific Investigation
  • Scintillation Index
  • Secondary Injection
  • Sector Iridectomy (partial removal of the iris of the eye)
  • Seed Implantation
  • Selectivity Index
  • Self-Incompatibility (botany)
  • Self-Injury
  • Semiconductor Ignition
  • Semi-Insulating
  • Sensory Integration
  • Service Indicator (SS7 SCCP)
  • Shadow Image
  • Signal Integrity
  • Silicon
  • Simple Interference
  • Skrslutkniflag slands
  • Skýrslutæknifélag Íslands
  • Slight Inclusion
  • Slightly Included (second lowest quality of diamond)
  • Slightly Insane
  • Smithsonian Institute
  • Smithsonian Institution
  • Smoothness Index
  • Societ Svizzera degli Informatici
  • Società Svizzera degli Informatici
  • Société Suisse des Informaticiens
  • Society of Indexers
  • Socit Suisse des Informaticiens
  • Softice (debugger)
  • Soil Investigation
  • Solar Influences
  • Somatosensory Receiving Area (in parietal lobe of cortex)
  • Space Industry
  • Spark Ignition
  • Speaker Independent
  • Specific Impulse (measure of efficiency of rocket engines)
  • Speech Impairment
  • Sport Injected (Honda)
  • Spray Injection
  • Square Inch(es)
  • Stability Index
  • Step-Index
  • Still Image
  • student improvement
  • Student Instructor
  • Sucrase-Isomaltase Deficiency
  • Superimpose
  • Superintelligence
  • Supplementary Insulation
  • Swap-In
  • Swine Influenza
  • Swiss Informaticians Society
  • System Information
  • System Information (Norton Utilities)
  • System International
  • Systematic Innovation
  • Système International d'unités (International System of Units)
  • Systèmes d'Information
  • The international system of units
  • ACM Government Spectrum Fund, Inc.
  • Salt Institute
  • Science Industrielle
  • Scrap Iron
  • Secondary Insurance
  • Seller Identification
  • Semiconductor International
  • Settlement Instruction
  • Sharma Industries
  • Silcon Investor
  • Simple Interest
  • Sippy International
  • Soft Intermediate
  • Software Independent
  • Solution Integration
  • Solving International
  • Southport Inn
  • Special Investigator
  • Spokane International Railroad Company
  • Standing Instruction
  • Stockmarket Indices
  • Strategic Initiative (management)
  • Strategic Investor
  • Surface Impoundment
  • System Integrator
  • Systems Industries, Incorporated
  • Safety/Site Inspection
  • Sanctioned Individual
  • SAS Institute
  • School of Information
  • School of Information (university)
  • Schweizer Informatiker Gesellschaft (Zurich, Switzerland)
  • Self - Interest
  • Shadow Instruction (computer instruction set)
  • Shift-Invariant
  • Side Information
  • Slovenia (international code)
  • Small Inclusion
  • Smithsonian Institute
  • Social Infrastructure
  • Special Investigations
  • Speech/Language Impairment
  • Sport Influenced
  • Sports Illustrated
  • Sports Information
  • Sports Injected
  • Sports Injection
  • Standardization (Flight) Instructor
  • Stand-In
  • Stark Industries
  • Sultan Ismail
  • Surveillance Index
  • Systems Intelligence (psychological theory)
  • Secure Internet
  • Selectable Interface
  • Semi Iterative
  • Shift In
  • Signed Integer
  • Single Inheritance
  • Slow Import
  • Small Interface
  • Socket Interface
  • SoftImage Graphics
  • Solutions Infini
  • Source Index
  • Standard Interface
  • Sub Indices
  • System Information
  • International System
  • International Systems of Units (ISU preferred)
  • Kennedy Space Center Support Operations Directorate
  • Safeguards Information
  • SCI Corporation
  • Scientific Instrument
  • Scientific Intelligence
  • Secure Investment
  • Security Inspector
  • Selective Interchange
  • Self Inflicted
  • Sensitivity Information
  • Sequential Injection
  • Sergeant Instructor
  • Shipping Instruction
  • Side Impact
  • Signaling Intelligence
  • Site Inspection
  • Site Investigation
  • Skill Identifier (US Army)
  • Slave Illuminator
  • Smithsonian Institute
  • Smoke Inhalation
  • Solar Inertial
  • Solution Implementation
  • Sovereign Immunity ( or Crown Immunity)
  • Space Intelligence
  • Space Intelligency
  • Special Inquiry
  • Special Inspection
  • Special Instruction
  • Special Intelligence
  • Special Interest
  • Special Investigations
  • Sponsor Identification
  • Standardization and Interoperability
  • Staten Island
  • Statutory Instrument (UK Legislation term)
  • Straight-In Approach
  • Sub Inspecter
  • Sub Inspector
  • Sub-Inspector
  • Summary Investigation
  • Summons Issued
  • Supplemental Instruction
  • Supply of Inflation
  • Support Installation
  • Supporting Installation
  • Surveillance and Intelligence
  • System Integration
  • System Interface
  • Systeme Internationale
  • the Spectre of Inflation
  • United States Strategic Command Strategic Instruction
  • Sarekat Islam
  • Servicio de Investigación
  • Siena (Provence)
  • Silly I
  • Simply Irresistible
  • Stupid Idiot
  • Sumatra Interactive
  • SacroIliac
  • sagittal index
  • saline infusion
  • Saline Injection
  • Saline Injection
  • satiety index
  • Secondary Infertility
  • Self Inflicted
  • Self Injury
  • Self Inserted
  • Self Insertion
  • self-inflicted
  • sensitivity index
  • serious illness
  • serious injury
  • seriously ill
  • serum iron
  • severity index
  • sexual intercourse
  • sexually inexperienced
  • shock index
  • signal intensity
  • silent infarction
  • silent ischaemia
  • silver
  • Singh Index
  • sinus irregularities
  • situs inversus
  • Small Intestine
  • smoking index
  • snoring index
  • social interaction
  • Speech Impaired
  • spinal injury
  • stratum intermedium
  • stress incontinence
  • stroke index
  • Structured Interview
  • suicidal ideation
  • superior/inferior
  • survival index
  • Système International d'unités (International System of Units)
  • systolic index
  • s for in
  • s for International
  • Sacro Iliac
  • safe intake
  • Safety Index
  • Saint Ignatius College Preparatory (San Francisco, California)
  • Samahang Ilokano (Filipino college organization)
  • Sarcasm Intended
  • Science and Industry
  • Secretaría Indigenista (Spanish: Indigenous Secertariat)
  • Self Indulgance
  • Self Indulgent
  • Self Injure
  • Self Insert
  • Self Instertiong
  • Self Isolation
  • Self-Insertion (fan fiction)
  • Seller Id
  • Semi-Insulating
  • Sensory Imagery
  • Sensory Imageryre
  • Septuagint Institute (Trinity Western University, Canada)
  • Service Index
  • Service Information
  • Sexually Inactive
  • Sexually Inappropriate
  • Shahrizat Ismail
  • Shared Interest (New York, NY)
  • Shrouded Isles (gaming, Dark Age of Camelot add-on)
  • Shut-In
  • SI is
  • Siena, Toscana (Italian province)
  • Signal Interference
  • Signed Integers
  • Siilinjärvi (Finnish)
  • Silicon Image, Inc
  • Silicon in
  • Silicon Investor
  • Silicone
  • Similarity Index
  • Simply Irresistible (song)
  • Sine Integral
  • Singapore Idol (Singapore TV show)
  • SiR in
  • Sistema de Informação
  • Sistema Informativo
  • Situationist International (governing body of political dissidents circa 1968)
  • slight inclusions
  • Slightly Imperfect
  • slightly included
  • Slovenia international
  • Slow and Ignorant
  • Snow and ice
  • Social Issues
  • Societatis Iesu, Latin for Society of Jesus, Jesuits (religious order)
  • Society for India (Cornell University)
  • Software Item
  • Something In
  • Soroptimist International
  • South Island (New Zealand)
  • Southern Islands
  • Space Invaders
  • SPARC International, Inc.
  • Spark Ignition
  • Speaker Independent
  • Spiritual Intervention (religious doctrine)
  • Sporrs Ideas
  • Sport Ident
  • Sport Injected
  • sport injection
  • Sports Interactive (game)
  • Sporty Intellect
  • stand for ie
  • Stand for in
  • stand for Incorrect
  • Standard Image
  • Standard International
  • Standing Instructions
  • Statutory Instrument
  • Stochastic Interest
  • Strange Interlude (Eugene O'Neill book)
  • String Instrument
  • Structural Injunction
  • Stuck Ina
  • Substitution Instance
  • Sudden Impact (movie)
  • Summer Intensive
  • Super Insulation
  • Surveyor Intern
  • Swarm Intelligence
  • Synergos Institute (San Diego, CA)
  • System Integrators
  • System International
  • Système International
  • Système International d'Unités (international system of units based on the Meter, Kilogram, Second, Ampere, Kelvin, Candela, and Mole)
  • Système International d'unités (International System of Units)
  • Systeme Internationale
  • Systems Integral
  • Systems Integrated
  • Systems Integration
  • Systems Integrator
  • Sandwich Islands
  • Siberian Islands
  • Singhalese
  • Sino Indian
  • Slovenia
  • Spokane International Railroad (Union Pacific Railroad)
  • Union Pacific Railroad Company
  • Sanctioned Individual
  • Sport Ident
  • Sport Influenced
  • Sport Injected
  • sport injection
  • Sportident
  • Sports Information
  • Sports Injected
  • Sports Injection
  • Sports Interactive
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