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  • zeta
    zeta
    noun
    the sixth letter of the Greek alphabet (Z, ζ).
  • ZETA
    ZETA
    noun
    a torus-shaped apparatus used for research in the 1950s and early 1960s on controlled thermonuclear reactions and plasma physics
  • Zeta
    Zeta
    noun
    (foll by the genitive case of a specified constellation) the sixth brightest star in a constellation

zeta

American  
[zey-tuh, zee-] / ˈzeɪ tə, ˈzi- /

noun

  1. the sixth letter of the Greek alphabet (Z, ζ).

  2. the consonant sound represented by this letter.


ZETA 1 British  
/ ˈziːtə /

noun

  1. a torus-shaped apparatus used for research in the 1950s and early 1960s on controlled thermonuclear reactions and plasma physics

"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

Zeta 2 British  
/ ˈziːtə /

noun

  1. (foll by the genitive case of a specified constellation) the sixth brightest star in a constellation

    Zeta Tauri

"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

zeta 3 British  
/ ˈziːtə /

noun

  1. the sixth letter in the Greek alphabet (Ζ, ζ), a consonant, transliterated as z

"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

Usage

What else does zeta mean? Zeta is a letter of the Greek alphabet. As a letter, zeta is popularly encountered in the names of fraternities and sororities. Zeta is also popularly associated with a famous alien abduction story. In men’s rights lingo, zeta refers to a man who refuses to have their masculinity defined by or in terms of women. What are some other words related to zeta?alphaomegamanosphereincel

Etymology

Origin of zeta

First recorded in 1820–30, zeta is from the Greek word zêta

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The firm plans to list itself on the New York Stock Exchange under the ticker symbol "ZETA".

From Reuters • Apr. 26, 2021

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