Eta (disambiguation)

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

Eta or ETA may also refer to:

People

• Eta (given name)
• Eta (Japanese social caste), an outcast group in feudal Japan

Aircraft

• Eta (glider), a German glider
• CNA Eta, an Italian aircraft

Brands and enterprises

• Eta, a snack food brand owned by Griffin's Foods
• Empresa de Transporte Aéreo, a defunct Brazilian Airline
• Environmental Transport Association, a British roadside assistance company
• ETA SA, a Swiss watchmaking company
• ETA Star Group, a Dubai-based investment company
• ETA Systems, a defunct American computer manufacturer

Education

• Engineering & Technologies Academy, in San Antonio, Texas, United States
• Ethiopian Teachers' Association, a trade union
• Evangelical Theological Academy, in Zwijndrecht, Netherlands
• Evangelical Theological Association, a former teaching institute in Melbourne, Australia

Government and politics

• ETA (separatist group) (Basque: Euskadi Ta Askatasuna), a Basque armed separatist group
• Electronic Travel Authority (Australia)
• Electronic Travel Authorization (Canada)
• Employment and Training Administration, of the United States Department of Labor
• European Technical Assessment of the European Organisation for Technical Approvals

Mathematics

• Dedekind eta function
• Dirichlet eta function
• Eta conversion
• Eta invariant
• Weierstrass eta function

Science and technology

• Eicosatetraenoic acid
• Eta meson
• Ethanolamine
• Event tree analysis
• Exfoliatin
• Hapticity
• Pseudorapidity
• Viscosity
• Entropy as defined in Boltzmann's H-theorem

Other uses

• Hurricane Eta, a damaging and deadly Category 4 hurricane that occurred in the 2020 Atlantic hurricane season.
• 'eta, a letter or glottal stop in the Tahitian languages
• Eta, a derogatory term for the Burakumin in the Japanese feudal era
• Electronics Technicians Association, a professional association
• Estimated time of arrival

See also

• Eta Island (disambiguation)