Definitions for thetaˈθeɪ tə, ˈθi-

This page provides all possible meanings and translations of the word theta

Princeton's WordNet

  1. theta(noun)

    the 8th letter of the Greek alphabet


  1. theta(Noun)

    the name for the eighth letter u03BFf the Modern Greek alphabet, ninth in Old Greek.

  2. theta(Noun)

    The measure of an angle.

  3. Origin: From the θῆτα.

Webster Dictionary

  1. Theta(noun)

    a letter of the Greek alphabet corresponding to th in English; -- sometimes called the unlucky letter, from being used by the judges on their ballots in passing condemnation on a prisoner, it being the first letter of the Greek qa`natos, death


  1. Theta

    Theta is the eighth letter of the Greek alphabet, derived from the Phoenician letter Teth . In the system of Greek numerals it has a value of 9.

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