definitions

eta

[ ey-tuh, ee-tuh ]
/ ˈeɪ tə, ˈi tə /
|

noun

the seventh letter of the Greek alphabet (H, η).
the vowel sound represented by this letter.

Nearby words

et tu, brute, et tu, brute?, et ux., et uxor, et vir, eta, eta aquarids, eta carinae, eta meson, eta particle, eta-c meson

Origin of eta

< Greek êta; compare Hebrew ḥeth heth

Definition for eta (2 of 2)

E.T.A.

or ETA

estimated time of arrival.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for eta

British Dictionary definitions for eta (1 of 4)

eta

1
/ (ˈiːtə) /

noun

the seventh letter in the Greek alphabet (Η, η), a long vowel sound, transliterated as e or ē

Word Origin for eta

Greek, of Phoenician origin; compare Hebrew heth

British Dictionary definitions for eta (2 of 4)

eta

2
/ (ˈeɪtə) /

noun plural eta or etas

(in Japan, formerly) a member of a class of outcasts who did menial and dirty tasks

Word Origin for eta

C19: Japanese

British Dictionary definitions for eta (3 of 4)

ETA

1

abbreviation for

estimated time of arrival

British Dictionary definitions for eta (4 of 4)

ETA

2
/ (ˈɛtə) /

n acronym for

Euzkadi ta Askatsuna: an organization of militant Basque nationalists attempting to gain independence for the Basques, esp those ruled by Spain, until a ceasefire in 1998, by means of guerrilla warfare

Word Origin for ETA

Basque, literally: Basque Nation and Liberty
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for eta

eta

[ ā′tə, ē′tə ]

n.

The seventh letter of the Greek alphabet.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.