TAI

Noun

• Trifluoromethylaminoindane, a psychoactive drug and serotonin releasing agent.
• Technical analysis indicator.

Proper Noun

• IATA airport code for Ta'izz International Airport.
• ICAO code for TACA International Airlines.
• Transports Aériens Intercontinentaux, a now defunct French airline.
• Thai Airways International.
• Toshiba America, Inc..
• Turkish Aerospace Industries, Inc.