Abbreviations & Acronyms Dictionary

I am so sure
I said so
I'm So Sure
Ideal Solidus Structures
Identification Services Subcommittee
Idiopathic short stature
Idle Speed Stepper
Image Sharpness Scale
Image Stabilization System
Imaging Science Subsystem
Imaging Science System
Immunostimulatory DNA sequence
Immunostimulatory DNA sequences
Immunostimulatory sequence
Immunostimulatory sequences
Immunosuppressive substance
Impairment level sumscore
Imprinted Sportswear Show
Impulsive Stimulated Scattering
In School Suspension
In Service Support
In-situ Sampling
Inbred Short-Sleep
Incapacity Status Scale
Inchape Shipping Services
Increased serum survival
Independent Satellite Symposia
Index of Specifications and Standards
Indian Springs School
Indian Staging Section
Indiana Secretary of State
Individual Support Services
Industrial Safety Solutions
Industrial Secondment Scheme
Industry Standard Server
Industry Standard Servers
Inertial Sensor System
Inertial Subsystem
Infantile spasms
Inferior sagittal sinus
Information and Scientific Systems
Information Security Services
Information Security Solutions
Information Security Specialist
Information Security System
Information Sending Station
Information Services Seminar
Information Services Standard
Information Services Supermarket
Information Sharing System
Information Storage System
Information Storage Systems
Information Stores
Information Subsystem
Information Support Services
Information System Security
Information Systems
Information Systems and Sciences
Information Systems Security
Information Systems Services
Information Systems Specialists
Information Systems Support
Information Sysytems Staff
Infrastructure Security Strategy
Inherent Shutdown System
Initial send sequence
Initial Send Sequence Number
Initial Sortie Study
Injury Severity Scale
Injury severity score
Injury Severity Scores
Inlet switching station
Inorganic suspended solids
Input Shaft Speed
Input Speed Sensor
Input Status Scan
Input SubSystem
Insertion sequences
Inspection Selection System
Installation Support Services
Institut für Sicherheitsstudien
Institute for Space Studies
Institute for Standardization of Serbia
Institute for Strategic Studies
Institute of Safety and Security
Institute of Social Studies
Institute of Sustainability Science
Institute of Systems Science
Institutional Shareholder Services
Instruction Set Simulator
Instruction Summary Sheet
Instructional support services
Instructional Support System
Instructional Systems Specialist
Instructional Systems Support
Instrument Society of Sweden
Instrument Support Structure
Integrated Satellite Solutions Corporation
Integrated Scheduling Specialist
Integrated Scheduling System
Integrated Science Systems
Integrated Sealift Study
Integrated security system
Integrated Sensor Suite
Integrated Sensor System
Integrated Signaling System
Integrated Signalling System
Integrated Software Systems
Integrated Sounding System
Integrated Sounding Systems
Integrated Space Systems
Integrated Start System
Integrated Storage System
Integrated Study Site
Integrated Summary of Safety
Integrated Support Solutions
Integrated Support Stand
Integrated Support Systems
Integrated Surveillance System
Integrated Surveillance Systems
Integrated Switching System
Integrated System Schematic
Integrated System Services
Integrated System Support
Integrated Systems Sector
Integrated Systems Specification
Integrated Systems Support
INTEGRATION SPACECRAFT SYSTEM
Integration Support Services
Intelligence Specialists
Intelligence Support Staff
Intelligence Support Subsystem
Intelligence Support System
Intelligence Systems and Services
Intelligence Systems Secretariat
Intelligent Services Switch
Intelligent Software Solutions
Intelligent Support System
Intelligent Support Systems
Inter-Satellite Service
Interactive Selling Solutions
Interactive Survivability Simulation
Interagency Sedimentation Subcommittee
Interconnect Systems Solution
Interfacial Shear Stress
Interictal spikes
Interim Status Standards
Interim Supply Support
Interim System Support
Interlaminar Shear Strength
Interline settlement system
Intermediate Service School
Intermediate Service Schools
Intermediate solid solution
Internal Secondary Storage
Internal Secondary Structure
Internal Security Section
Internal State Scale
Internal Sublayer Service
Internation Symbology Specification
International Schools Services
International Seaweed Symposium
International Seismological Summary
International Skeletal Society
International Small Switch
International Social Service
International Society for Stereology
International Society of Surgery
International Space Station
International Space Station's
International Space System
International Staging System
International Steamboat Society
International Student Servcies
International Student Service
International Student Services
International Students Service
International Summer School
International Switching Symposium
International Symbology Specification
International Symposium on Superconductivity
Internet Scanner Systems
Internet Security Scanner
Internet Security Services
Internet Security Suite
Internet Security Systems
Internet Sharing Software
Interrupt Safety System
Interrupt Service Subroutines
Interruptible Sales Service
Interservice Supply Source
Interservice Supply Support
Invasive surgical staging
Invensys Software and Systems
Involuntary Servitude and Slavery
Ion scattering spectroscopy
Ion Surface Scattering
Ion-Scattering Spectrometer
Ion-Scattering Spectrometry
Ion-Scattering Spectroscopy
Ion-Scattering Spectrum
Ionica Switch Site
Ionosphere Sounding Satellite
Ionospheric Sounding Satellite
Iredell-Statesville Schools
IRIS Spinning Stage
Iron & Steel Society
Iron and Steel Society
ISLANDS
Isotonic saline solution
Isotope separation system
Issue
Istituto Sperimentale per la Selvicoltura
Italian Space Society
Meridiana