eta
UK /ˈiːtə/ · US /ˈeɪtə/ noun
Forms etas
- noun The seventh letter of the Modern Greek alphabet, the eighth in Old Greek.
- noun (particle physics) A kind of electrically neutral meson having zero spin and isospin.
- noun A social outcast in Japan who is subjected to menial work, making up a class or caste of such people.
Synonyms
Basque Homeland and Freedom Basque Fatherland and Liberty Euskadi ta Askatasuna
Etymology
From Ancient Greek ἦτα (êta).
From Japanese 穢多 (“full of filth”) (literal translation, now considered derogatory in Japan).
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “eta”, CC BY-SA 4.0. Details