zeta

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ze·ta

 (zā′tə, zē′-)
n.
The sixth letter of the Greek alphabet. See Table at alphabet.

[Greek zēta, of Phoenician origin; see in Semitic roots.]

zeta

(ˈziːtə)
n
(Letters of the Alphabet (Foreign)) the sixth letter in the Greek alphabet (Ζ, ζ), a consonant, transliterated as z
[from Greek, of Semitic origin; compare Hebrew sādhē]

Zeta

(ˈziːtə)
n
(Astronomy) (foll by the genitive case of a specified constellation) the sixth brightest star in a constellation: Zeta Tauri.

ZETA

(ˈziːtə)
n
(Nuclear Physics) a torus-shaped apparatus used for research in the 1950s and early 1960s on controlled thermonuclear reactions and plasma physics
[C20: from z(ero-)e(nergy) t(hermonuclear) a(pparatus)]

ze•ta

(ˈzeɪ tə, ˈzi-)

n., pl. -tas.
the sixth letter of the Greek alphabet (Ζ, ζ).
[1820–30; < Greek zêta]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.zeta - the 6th letter of the Greek alphabet
Greek alphabet - the alphabet used by ancient Greeks
alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters"