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American English: /ˈθiəri/
British English: /ˈθɪəri/

Translation of theory in Spanish:

noun plural -ries

countable or uncountable
  • also: music theory
    the theory of music
    la teoría de la música
    in theory
    en teoría
    the theory is that …
    en teoría …
    teóricamente …
    I work on the theory that …
    (yo) soy de la teoría de que …
    the theory of relativity
    la teoría de la relatividad
    Example sentences
    • Instead, he now requires them to be able to explain the scientific theory of evolution.
    • Religious-mystical theories, biological theories and socio-historical theories explain the existence of the caste system.
    • In general, this theory attempts to explain when and how people adopt new behaviors.

Definition of theory in:

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    expensive and of high quality; luxurious
    Cultural fact of the day

    Today is Aberri Eguna, Basque national day, and a public holiday in the Basque country of Spain.