Definition of zeta in English:

zeta

noun

  • 1The sixth letter of the Greek alphabet (Ζ, ζ), transliterated as ‘z’.

    1. 1.1Astronomy
      [followed by Latin genitive]The sixth star in a constellation.
      ‘Zeta Ursae Majoris’
      • ‘The Möbius function,, is strongly related to the Zeta function.’

Origin

Greek.

Pronunciation:

zeta

/ˈziːtə/