ETA (disambiguation)

Eta (Η, η), is the seventh letter of the Greek alphabet

ETA (Euskadi Ta Askatasuna) is an armed Basque separatist group proscribed as a terrorist organization by the Spanish government.

ETA may also refer to:

• Australia's Electronic Travel Authority
• European Technical Approval, a certificate which allows building products to be sold throughout Europe
• Dedekind eta function (Math), a complex function defined in the upper plane
• Dirichlet eta function (Math), an entire complex function
• Eicosatetraenoic acid, an omega-3 fatty acid
• ETA - Empresa de Transporte Aéreo, a defunct Brazilian Airline
• ETA SA, a Swiss watchmaking company
• ETA Systems, defunct manufacturer of ETA10 supercomputers
• ETA a. s., a Czech manufacturer of electronic apparel
• Electronics Technicians Association, a not-for-profit professional association of electronics technicians
• Employment and Training Administration, a branch of the US Department of Labor
• Engineering and Technology Academy, a magnet school located in San Antonio, Texas
• Environmental Transport Association, a British roadside assistance organisation, which aims to reduce the environmental damage cause by road transport
• Eric the Actor, a member of The Howard Stern Show's Wack Pack
• Estimated Time of Arrival, a measure of when a vehicle or data packet is expected to arrive (or "Expected/Estimated Time to Achieve")
• Ethiopian Teachers' Association, a trade union representing teachers in Ethiopia
• Ethiopian Telecommunication Agency, an agency that regulates the telecommunication sector of Ethiopia
• Evangelical Theological Association, an associated teaching institute of the Australian Melbourne College of Divinity
• Excise Tax Act, the governing legislation for Canada's Goods and Services Tax
• Exercise Triggered Allergy, an allergy that only occurs when you exercise after eating the allergen.
• Evolutionary Terminology Auditing, a novel methodology to assess the quality of terminologies using reality as benchmark
• ETA, an internet acronym for "edited to add"
• ETA, a programming language based on ETAOIN SHRDLU
• ETA, a New Zealand snack food company

Eta may also refer to:

• Eta Aircraft eta, a very high performance German glider
• Eta Carinae, a highly luminous hypergiant double star
• Eta conversion or η-conversion, the idea of extensionality in lambda calculus
• Eta meson, in particle physics, a strongly interacting boson
• A derogatory term used by the Japanese to refer to the Burakumin in the feudal era

See also

• ŋ