English abbreviations from etac to etf
- ETAC (Emergency Tactical Air Control)
- et al. (et alii/aliae/alia (Latin, "and others"))
- ETAL (Effective Teaching And Learning)
- ETAP (Eastern Trough Area Project)
- ETAS (Elevated Target Acquisition System)
- ETB (Ethiopian birr (ISO 4217 currency code))
- ETBE (ethyl tertiary butyl ether)
- ETBI (Eye and Tissue Banks International)
- ETC (ElectroThermal Cannon)
- ETC/RMT (Explosive Transient Camera/Rapidly Moving Telescope)
- ETCD (Education, Training & Career Development)
- ETCOM (European Testing and Certification for Office and)
- ETD (Estimated Time of Departure)
- ETDL (Electronic Technology and Devices Laboratory)
- ETE (Estimated Time of Endurance)
- ETEC (Edward Teller Education Center)
- ETF (Emergency Task Force (a special police unit, also jocularly said to stand for Extra-Thick Fuzz))