zeta

noun
  1. The sixth letter of the Greek alphabet, represented as Ζ in uppercase and ζ in lowercase. noun
    In mathematics, zeta is often used to denote certain functions or variables.
    The Greek letter zeta is equivalent to the letter 'Z' in the English alphabet.
  2. A mathematical function, specifically the Riemann zeta function, which is a function of complex variable that plays a pivotal role in analytic number theory. noun
    The Riemann zeta function is crucial in understanding the distribution of prime numbers.
    Mathematicians study the zeros of the zeta function to gain insights into number theory.
  3. In physics, zeta can refer to the zeta potential, which is a scientific term describing the electrokinetic potential in colloidal dispersions. noun
    The zeta potential is important in predicting the stability of colloidal systems.
    Researchers measure the zeta potential to understand the behavior of particles in suspension.