eta

e-ta · noun

imported

Definitions

noun

  1. 1.

    The seventh letter of the Greek alphabet (H, n), used in mathematics, science, and other technical fields.

  2. 2.

    (ETA) Abbreviation for "estimated time of arrival."

  3. 3.

    (ETA) Abbreviation for Euskadi Ta Askatasuna, a former Basque separatist organization.

Forms

plural: etas

Phrases & expressions

  • •
    ETA — estimated time of arrival
  • •
    eta squared — a statistical measure of effect size

Related words

See also: alpha, beta, omega

Etymology

From Greek eta (Ηη), the seventh letter of the Greek alphabet, from Phoenician heth.