eta Syllabification: (e·ta)Pronunciation: /ˈātə, ˈētə/Definition of eta noun the seventh letter of the Greek alphabet (Η, η), transliterated as ‘e’ or ‘ē.’. (Eta) [followed by Latin genitive] Astronomy the seventh star in a constellation:Eta Carinaeeta in other Oxford dictionaries Definition of eta in the British & World English dictionary
