What does eta stand for?

Estimated Time of Arrival (EBF)

Viscosity - Symbol - Organic chemistry (DAVI)

Basque Fatherland and Liberty - aka Euzkadi Ta Askatasuna - Extremist group (EMA)

Basque Nation and Liberty (Spain) - Political party (PSAP)

Earth Tangential Angle (ACAE)

Educational Telecommunications for Alaska (SAUS)

Educational Television Association (EAIO)

Educational Theater Association (EA)

Education through Aviation

Effectiveness Training Associates

Effects Test Area - Army

Ejector Thrust Augmentation - Air Force

Electra North West - Vancouver Stock Exchange symbol

Electrical Thermal Analysis

Electronics Technicians Association (EA)

Electronics Technicians Association International (NTPA)

Electronic Telephone Analyzer - Police and security equipment

Electron-Transfer Agent (DB)

Electrothermal Analyzer (SAUS)

Electrothermal Atomization - For spectrometry

Elemental Times in Agriculture (SAUS)

Emanation Thermal Analysis

Embroidery Trade Association (EA)

Embryo Toxicity Assay (ADWA)

Emergency Transport Agency - Emergency Management (EMA)

Emery Trade Association (SAUO)

Employment and Training Administration - Formerly, Manpower Administration - Department of Labor

Employment Training Administration (SAUS)

Endotracheal Airway - Medicine (MELL)

Endotracheal Anesthesia - Medicine (MELL)

Endotracheal Aspirates - Medicine (MEDA)

Energetic Transient Array (SAUS)

Energy Tax Act - 1978

Energy Technology Assessment Model (SAUO)

Energy Traffic Association (EA)

engagement training aid (SAUS)

Engineering Task Assignment

Engineering Technology Associates, Inc. - Commercial firm

English Teachers Association (SAUO)

Entertainment Trades Alliance - British

Environmental Test Article (NASA)

Environment Teachers' Association

Equipment Transfer Aisle (NRCH)

Equipment Transfer Authorization (SAUS)

Equivalent Target Area (MCD)

Escorted Temporary Absence (FOTI)

Esperanto Teachers Association - British

Estal - NCIC firearms make code (NCIC)

Estimated Target Assurance

Estimated Time of Acquisition (KSC)

Estimated - or Expected Time of Arrival

Estimated Time to Acquisition (SAUS)

Estrellas del Aire SA de CV - Mexico - ICAO designator (FAAC)

ETA Engineering, Inc. - Commercial firm

Ethionamide - Antibacterial

Europaischer Holzhandelsverband - European Timber Association - EC (ECED)

European Tallying-Association (SAUO)

European Taxpayers Association (EA)

European Teachers Association (BARN)

European Tennis Association (EAIO)

European Thermographic Association (SAUS)

European Throwsters Association (EA)

European Thyroid Association (EAIO)

European Tropospheric-Scatter Army - Communications system

European Tube Association - EC (ECED)

European Tugowners Association (EAIO)

Euzkadi ta Azkatasuna - Basque Fatherland and Freedom - Spain (PD)

Evangelical Training Association (EA)

Event Tree Analysis - Engineering

Exception Time Accounting

Excise Tax Act - Canada

Expected Time of Arrival

Expected to Arrive (SAUS)

Expected Turnaround - Computer science

Expect to Arrive

Experimental Test Accelerator - Nuclear physics

Explosive Transfer Assembly (MCD)

Express Transport Association (SAUO)

External Tank Attachment (MCD)

Extraterrestrial Activity

Extraterrestrial Actuality

Omni Design Inc., Seattle, WA - Manufacturer code for watercraft hull identification number (USCG)

Eterna - Record label - Germany