TBI

TBI may refer to:

Medicine

• Traumatic brain injury, a physical trauma to the brain
• Total body irradiation, a form of radiation therapy used most commonly in bone marrow transplantation
• Tracheobronchial injury, an injury to the trachea or main bronchi

Other

• TBI plc, an airport owner and operator
• Tennessee Bureau of Investigation, the criminal investigative arm of the state government of Tennessee
• The Bourne Identity
• Trade Bank of Iraq, a publicly owned bank headquartered in Baghdad, Iraq
• Throttle Body Injection, a type of fuel injection system used on internal combustion engines
• TBI Solicitors, a UK-based law firm
• Task-based instruction, an alternative name for task-based language learning, an approach to language learning and language teaching

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