Acronyms & Abbreviations

The definition of TSI is:

Tactical situation indicator

Target Status Indicator

Task Status Index

Tasmanian Statistical Indicators

TCW Strategic Income Fund, Inc.

Teachers Summer Institute

Technical site information

Technical Specifications for Interoperability

Technical standardization inspection

Technology Schools Initiative

Technology Support Index

Telecommunication System Integration

Telefonica Servicios Iberico

Telephone Systems International

Teleport Services International

Telesensory Systems, Inc.

Tempest security index

Tensile Stiffness Index

Teqnical Services Inc.

Terminal Signalling Interface

Terminal Specific Interface

Terminal State Indicator

Terminal Support Interface

Termination System Interface

Test for Severe Impairment

Test Structure Input

Test system interface

Thermal Sciences Inc.

Thermal system insulation

Thermal Systems, Inc.

Thermo Systems, Inc.

Thermocouple Selector Indicator

Thromboxane synthetase inhibitor

Thyroid stimulating immunoglobulin

Thyroid-stimulating Ig

Thyroid-stimulating immunoglobulins

Time Since Installation

Time Since Installed

Time Slot Interchange

Time Slot Interchanger

Time-slot interchange

Tissue synchronization imaging

Tobramycin solution for inhalation

Tom Sawyer Island

Ton per Square Inch

Top surface imaging

Total Sky Imager

Total Solar Irradiance

Total Systems Integration

TRADOC Simulation Internet

Training Standards Inspection

Transferrin saturation index

Transition Systems, Inc.

Transmission Session Identifier

Transmission Station Identification

Transmission Subscriber Identification

Transmission Subsystem Interface

Transmitting Station Identification

Transmitting Subscriber Identification

Transmitting Subscriber Information

Transmitting Subscriber's Identification

Transport Scenario Intpreter

Transport Security Initiative

Transport Service Indication

Transport Service Interpreter

Transport Session Identifier

Transport'air

Transportation Safety Institute

Transportation Security Incident

Transportation Services Index

Trauma Symptom Inventory

Travel Sales Intermediary

TRINITECH SYSTEMS, INC.

Triple sugar iron

Trophic state index

True Sale Initiative

Tsimshian

Tuberous Sclerosis International

Turbine Supervisory Instrumentation

Turbo spectroscopic imaging

Turbo-Stratified Injection

Twin-stage impinger

Two Speed Idle