- TSI
TSI may refer to:
*
TeleSensory, Inc. , a maker of speech products and products intended for the blind
*Televisione svizzera di lingua italiana Swiss television in the Italian language.
*"The Spaghetti Incident?" , a covers album by Guns N' Roses.
*Thyroid Stimulating Immunoglobulin
*Torres Strait Islanders , an Australian indigenous people
*Torres Strait Islands
*Time-Slot Interchange , a technique used to switch networks
*Trading Standards Institute , a British professional association
*Town Sports International , an operator of fitness facilities
*Total Solar Irradiance - The total energy output of the sun
*Trophic state index
*TSI Inc , an instrument company headquartered in St. Paul, MN
*TSI , Turbocharged Stratified Injection or Twincharged Stratified Injection, a technology available on some engines offered byVolkswagen Group .
*TSI , Triple Sugar Iron test,TSI slant - A microbiological test for enteric bacteria such as Salmonella and Shigella.
*TSI ,Technical Specification for Interoperability for the European railway system
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