Definition of string theory in English:

string theory

Line breaks: string the¦ory


[mass noun]
  • A cosmological theory based on the existence of cosmic strings. See string ( sense 6 of the noun).
    More example sentences
    • Does string theory incorporate number theory in its structure?
    • It has been used in gauge theory, instantons, monopoles, string theory and the theory of anomalies.
    • In 1974 the question finally was asked: could string theory be a theory of quantum gravity?

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Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space