Definition from Wiktionary, the free dictionary
See also Appendix:Variations of "z"
|Unicode name||GREEK SMALL LETTER ZETA|
ζ (lowercase, uppercase Ζ)
- Lower-case zeta, the seventh letter of the ancient Greek alphabet. Its name was ζῆτα. The sound it represented is disputed, some claim it was IPA: /zd/, others claim it was IPA: /dz/. It is preceded by ϝ and followed by η.
- Lower-case zeta, the sixth letter of the modern Greek alphabet. Its name is ζήτα and it represents a voiced alveolar fricative: IPA: /z/. It is preceded by ε and followed by η.