Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The sixth letter of the Greek alphabet.

from The Century Dictionary.

  • noun A little closet or chamber: applied by some writers to the room over the porch of a Christian church where the porter or sexton lived and kept the church documents.
  • noun The sixth letter of the Greek alphabet, corresponding to the English Z.
  • noun Zu + Zv − Z (u + v) = ksn u. sn verb sn (u + v).

from the GNU version of the Collaborative International Dictionary of English.

  • noun A Greek letter [ζ] corresponding to our z.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The name of the sixth letter of the modern Greek alphabet (Ζζ) preceded by epsilon (Εε) and followed by eta, (Ηη); or the seventh letter in the ancient Greek alphabet, in which it is preceded by digamma (Ϝϝ)
  • noun mathematics A mathematical function formally known as the Riemann zeta function.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the 6th letter of the Greek alphabet

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

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

from Wiktionary, Creative Commons Attribution/Share-Alike License

From the Ancient Greek ζῆτα (zēta).

Examples

Comments

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  • also an old nation in (roughly) present-day Montenegro.

    May 4, 2009

  • "3. Zu + Zv − Z (u + v) = ksn u. sn verb sn (u + v)."

    --Cent. Dict.

    September 6, 2011