zeta

• Nom désignant la sixième lettre de l'alphabet grec.

A noun referring to the sixth letter of the Greek alphabet.

1. Greek letterB1formal

   The sixth letter of the Greek alphabet, often used in mathematics and science.

   zêta (lettre grecque)

   • The symbol zeta is used to represent the Riemann zeta function.
   • In Greek numerals, zeta has a value of 7.
   • The letter zeta is written as 'Ζ' in uppercase and 'ζ' in lowercase.