This shows grade level based on the word's complexity.
eta
[ ey-tuh, ee-tuh ]
/ ˈeɪ tə, ˈi tə /
Save This Word!
This shows grade level based on the word's complexity.
noun
the seventh letter of the Greek alphabet (H, η).
the vowel sound represented by this letter.
QUIZ
QUIZ YOURSELF ON "IS" VS. "ARE"
"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."
Question 1 of 7
IS and ARE are both forms of which verb?
Origin of eta
Words nearby eta
Estuary English, esu, esurient, E. Sussex, et, eta, Eta Carinae, eta-c meson, eta-c particle, etaerio, étagère
Other definitions for eta (2 of 2)
E.T.A.
or ETA
abbreviation
estimated time of arrival.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use eta in a sentence
British Dictionary definitions for eta (1 of 4)
eta1
/ (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)
eta2
/ (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)
ETA1
abbreviation for
estimated time of arrival
British Dictionary definitions for eta (4 of 4)
ETA2
/ (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
Medical definitions for eta (1 of 2)
η
The Greek letter eta. Entries that begin with this character are alphabetized under eta.
Medical definitions for eta (2 of 2)
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.