String theory and Theoretical account

String theory noun - (particle physics) a theory that postulates that subatomic particles are one-dimensional strings.

Theoretical account and string theory are semantically related. In some cases you can use "Theoretical account" instead a noun phrase "String theory".

Theoretical account noun - A hypothetical description of a complex entity or process.

String theory and theoretical account are semantically related. Sometimes you can replace phrase "String theory" with "Theoretical account", this phrases are similar.