What is "flt"

FLT can refer to:

• Fairlight (group), a warez release group
• Federación Libre de Trabajadores (Free Federation of Workers), Puerto Rico
• Fédération Luxembourgeoise de Tennis (Luxembourg Tennis Federation)
• First Law of Thermodynamics
• Finger Lakes Trail, system of hiking trails in New York, US
• flt., wind instrument technique of flutter-tonguing
• Front de Libération du Tchad or Liberation Front of Chad
• Fermat's little theorem, that $a^p \equiv a \pmod p$ for a prime number p and any whole number a
• Fermat's last theorem, that the equation a + b = c has no solution in whole numbers, for n ≥ 3
• [F] 3'-fluoro-3'-deoxythymidine, a PET tracer used for medical imaging
• Football League Trophy, an annual English association football knock-out competition
• Forklift Truck, a vehicle for lifting pallets in warehouses and transport hubs