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

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


(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]


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


(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)]


(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"
References in periodicals archive ?
It's been well-documented that the Gulf cartel has formed alliances with the Sinaloa cartel and (La Familia) to wage war against the Zetas.
Juanita del Carmen Rios Hernandez is the spouse of Mexican drug lord Miguel Angel Trevino Morales, a leader of Los Zetas drug cartel, who is jailed in Mexico and faces multiple federal indictments in the United States for narcotics and money laundering violations.
Washington, June 30 ( ANI ): A new, horrific footage shows members of a Mexican drug cartel beheading hostages from a rival gang Zetas, marking the latest act of violence in the growing war over drug-smuggling territories in Mexico.
A new report from Texas-based global-intelligence company Strategic Forecasting (Stratfor), which is based on data from the Procuraduria General de la Republica (PGR), said the Zetas have now established major operations in 17 states, surpassing the Sinaloa cartel in geographic reach.
Two fine 'Zeta' titles by Judy Carroll offer the unique account of an Australian Reiki instructor who has experienced contact with non-earthly beings she knows as Greys or Zetas from teen years onward, and provides some unique and powerful accounts of these Zeta beings, two worlds, and the spiritual messages these Zetas bring to Earth.
The Mexican government said it is investigating videos posted on the internet in which a gang of masked men vow to exterminate the violent Zetas drug cartel, and said it opposes such vigilante methods.
It's been well-documented that the Gulf cartel has formed alliances with the Sinaloa cartel and [La Familia] to wage war against the Zetas.
The Zetas, a group of elite-military deserters who are known as the enforcers for the Gulf drug cartel, have branched out into other activities, including smuggling fuel products into the US and acquiring legitimate businesses in Mexican communities along both sides of the US-Mexico border.
According to Mexican Defense Minister Ricardo Clemente Vega, the Zetas have also recruited at least a handful of Guatemalan commandos referred to as the "Kaibiles"--a name borrowed from an ancient Mayan prince.
The forum is hosted by leading African American service organization Zeta Phi Beta Sorority, Incorporated, and begins at 6 p.
Application notes describe the quick and easy measurement of surface zeta potential using the zeta potential planar cell for the Zetasizer Nano particle characterization system.
Because zeta potential has an effect on factors such as adhesion, lubrication and corrosion, zeta-potential analysis is useful not only in pharmaceuticals but also in testing food and cosmetics emulsion, as well as ensuring the quality of ceramics, pigments, paper, textiles and polymers.