string theory — English Dictionary

Noun

1. A candidate unified theory of all physical forces and particles; a theory which suggests that subatomic particles are one-dimensional strings rather than zero-dimensional points. It also suggests that space-time can have up to nine dimensions, plus the dimension of time.

   Usage

   • Countable
   • Uncountable

   Examples

   String theory denies the existence of a hypothetical eleventh dimension.

Noun

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

   Broader terms

   modeltheoretical accountframework