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eta

[ey-tuh, ee-tuh] /ˈeɪ tə, ˈi tə/
noun
1.
the seventh letter of the Greek alphabet (H, η).
2.
the vowel sound represented by this letter.
Origin
< Greek êta; compare Hebrew ḥeth heth

E.T.A.

1.
estimated time of arrival.
Also, ETA.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for eta

eta1

/ˈiːtə/
noun
1.
the seventh letter in the Greek alphabet (Η, η), a long vowel sound, transliterated as e or ē
Word Origin
Greek, of Phoenician origin; compare Hebrew heth

eta2

/ˈeɪtə/
noun (pl) eta, etas
1.
(in Japan, formerly) a member of a class of outcasts who did menial and dirty tasks
Word Origin
C19: Japanese

ETA1

abbreviation
1.
estimated time of arrival

ETA2

/ˈɛtə/
noun acronym
1.
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
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
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Word Origin and History for eta

e.t.a.

abbreviation of estimated time (of) arrival, first attested 1939.

Online Etymology Dictionary, © 2010 Douglas Harper
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eta in Medicine

eta e·ta (ā'tə, ē'tə)
n.

Symbol η 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.
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Related Abbreviations for eta

ETA

  1. embryo toxicity assay
  2. Employment and Training Administration
  3. estimated time of arrival
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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3
3
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